[skylab_tests] Update skylab tests cros img version

This cl only affect Lacros on-device config builders like
lacros-amd64-generic-chrome-skylab. This cl will certainly NOT affect
linux-lacros builders(linux-lacros-tester-rel, linux-lacros-rel, etc)
or any other platforms.
This CL will update cros image version for skylab tests. CROS_BOARD_LKGM
is updated according to chromeos/CHROMEOS_LKGM; CROS_BOARD_DEV,
CROS_BOARD_BETA and CROS_BOARD_STABLE are updated according to Omaha.

If this CL caused regressions, please revert and pause the autoroller at
https://luci-scheduler.appspot.com/jobs/chrome/lacros-skylab-tests-cros-img-roller
Also please file a bug to OS>LaCrOS>Partner, and CC svenzheng@chromium.org,
yjt@google.com.

R=rubber-stamper@appspot.gserviceaccount.com

Cq-Include-Trybots: luci.chrome.try:lacros-amd64-generic-chrome-skylab
Requires-Testing: True
Change-Id: I3de4f0f531cada649f4e1d860364c43ac3fd42a8
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4056159
Auto-Submit: skylab-test-cros-roller@chops-service-accounts.iam.gserviceaccount.com <skylab-test-cros-roller@chops-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Commit-Queue: Rubber Stamper <rubber-stamper@appspot.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1075669}
diff --git a/testing/buildbot/chrome.json b/testing/buildbot/chrome.json
index f6a37ad..6e4c2a0 100644
--- a/testing/buildbot/chrome.json
+++ b/testing/buildbot/chrome.json
@@ -1882,7 +1882,7 @@
       {
         "args": [],
         "cros_board": "dedede",
-        "cros_img": "dedede-release/R110-15245.0.0",
+        "cros_img": "dedede-release/R110-15255.0.0",
         "name": "lacros_all_tast_tests DEDEDE_RELEASE_LKGM",
         "resultdb": {
           "enable": true,
@@ -1946,7 +1946,7 @@
       {
         "args": [],
         "cros_board": "eve",
-        "cros_img": "eve-release/R110-15249.0.0",
+        "cros_img": "eve-release/R110-15255.0.0",
         "name": "lacros_all_tast_tests EVE_RELEASE_LKGM",
         "resultdb": {
           "enable": true,
@@ -2089,7 +2089,7 @@
       {
         "args": [],
         "cros_board": "jacuzzi",
-        "cros_img": "jacuzzi-release/R110-15247.0.0",
+        "cros_img": "jacuzzi-release/R110-15255.0.0",
         "name": "lacros_all_tast_tests JACUZZI_RELEASE_LKGM",
         "resultdb": {
           "enable": true,
@@ -2194,7 +2194,7 @@
       {
         "args": [],
         "cros_board": "herobrine",
-        "cros_img": "herobrine-release/R110-15249.0.0",
+        "cros_img": "herobrine-release/R110-15255.0.0",
         "name": "lacros_fyi_tast_tests HEROBRINE_RELEASE_LKGM",
         "resultdb": {
           "enable": true,
diff --git a/testing/buildbot/internal.chromeos.fyi.json b/testing/buildbot/internal.chromeos.fyi.json
index a7e6820505..046d3cda 100644
--- a/testing/buildbot/internal.chromeos.fyi.json
+++ b/testing/buildbot/internal.chromeos.fyi.json
@@ -1096,7 +1096,7 @@
       {
         "args": [],
         "cros_board": "octopus",
-        "cros_img": "octopus-release/R110-15249.0.0",
+        "cros_img": "octopus-release/R110-15255.0.0",
         "name": "lacros_fyi_tast_tests OCTOPUS_RELEASE_LKGM",
         "swarming": {},
         "tast_expr": "(\"group:mainline\" && \"dep:lacros\" && !informational)",
@@ -1144,7 +1144,7 @@
       {
         "args": [],
         "cros_board": "octopus",
-        "cros_img": "octopus-release/R110-15249.0.0",
+        "cros_img": "octopus-release/R110-15255.0.0",
         "name": "ozone_unittests OCTOPUS_RELEASE_LKGM",
         "swarming": {},
         "test": "ozone_unittests",
@@ -1195,7 +1195,7 @@
       {
         "args": [],
         "cros_board": "hana",
-        "cros_img": "hana-release/R110-15249.0.0",
+        "cros_img": "hana-release/R110-15255.0.0",
         "name": "lacros_all_tast_tests HANA_RELEASE_LKGM",
         "swarming": {},
         "tast_expr": "(\"group:mainline\" && \"dep:lacros\" && !informational)",
@@ -1243,7 +1243,7 @@
       {
         "args": [],
         "cros_board": "strongbad",
-        "cros_img": "strongbad-release/R110-15249.0.0",
+        "cros_img": "strongbad-release/R110-15255.0.0",
         "name": "lacros_all_tast_tests STRONGBAD_RELEASE_LKGM",
         "swarming": {},
         "tast_expr": "(\"group:mainline\" && \"dep:lacros\" && !informational)",
@@ -1291,7 +1291,7 @@
       {
         "args": [],
         "cros_board": "hana",
-        "cros_img": "hana-release/R110-15249.0.0",
+        "cros_img": "hana-release/R110-15255.0.0",
         "name": "ozone_unittests HANA_RELEASE_LKGM",
         "swarming": {},
         "test": "ozone_unittests",
@@ -1335,7 +1335,7 @@
       {
         "args": [],
         "cros_board": "strongbad",
-        "cros_img": "strongbad-release/R110-15249.0.0",
+        "cros_img": "strongbad-release/R110-15255.0.0",
         "name": "ozone_unittests STRONGBAD_RELEASE_LKGM",
         "swarming": {},
         "test": "ozone_unittests",
@@ -1379,7 +1379,7 @@
       {
         "args": [],
         "cros_board": "hana",
-        "cros_img": "hana-release/R110-15249.0.0",
+        "cros_img": "hana-release/R110-15255.0.0",
         "name": "viz_unittests HANA_RELEASE_LKGM",
         "swarming": {},
         "test": "viz_unittests",
@@ -1423,7 +1423,7 @@
       {
         "args": [],
         "cros_board": "strongbad",
-        "cros_img": "strongbad-release/R110-15249.0.0",
+        "cros_img": "strongbad-release/R110-15255.0.0",
         "name": "viz_unittests STRONGBAD_RELEASE_LKGM",
         "swarming": {},
         "test": "viz_unittests",
diff --git a/testing/buildbot/variants.pyl b/testing/buildbot/variants.pyl
index 85712e3..6b2a1cc4 100644
--- a/testing/buildbot/variants.pyl
+++ b/testing/buildbot/variants.pyl
@@ -468,8 +468,8 @@
   'CROS_DEDEDE_RELEASE_LKGM': {
     'skylab': {
       'cros_board': 'dedede',
-      'cros_chrome_version': '110.0.5419.0',
-      'cros_img': 'dedede-release/R110-15245.0.0',
+      'cros_chrome_version': '110.0.5423.0',
+      'cros_img': 'dedede-release/R110-15255.0.0',
     },
     'enabled': True,
     'identifier': 'DEDEDE_RELEASE_LKGM',
@@ -505,7 +505,7 @@
     'skylab': {
       'cros_board': 'eve',
       'cros_chrome_version': '110.0.5423.0',
-      'cros_img': 'eve-release/R110-15249.0.0',
+      'cros_img': 'eve-release/R110-15255.0.0',
     },
     'enabled': True,
     'identifier': 'EVE_RELEASE_LKGM',
@@ -551,7 +551,7 @@
     'skylab': {
       'cros_board': 'hana',
       'cros_chrome_version': '110.0.5423.0',
-      'cros_img': 'hana-release/R110-15249.0.0',
+      'cros_img': 'hana-release/R110-15255.0.0',
     },
     'enabled': True,
     'identifier': 'HANA_RELEASE_LKGM',
@@ -587,7 +587,7 @@
     'skylab': {
       'cros_board': 'herobrine',
       'cros_chrome_version': '110.0.5423.0',
-      'cros_img': 'herobrine-release/R110-15249.0.0',
+      'cros_img': 'herobrine-release/R110-15255.0.0',
     },
     'enabled': True,
     'identifier': 'HEROBRINE_RELEASE_LKGM',
@@ -595,8 +595,8 @@
   'CROS_JACUZZI_RELEASE_LKGM': {
     'skylab': {
       'cros_board': 'jacuzzi',
-      'cros_chrome_version': '110.0.5421.0',
-      'cros_img': 'jacuzzi-release/R110-15247.0.0',
+      'cros_chrome_version': '110.0.5423.0',
+      'cros_img': 'jacuzzi-release/R110-15255.0.0',
     },
     'enabled': True,
     'identifier': 'JACUZZI_RELEASE_LKGM',
@@ -662,7 +662,7 @@
     'skylab': {
       'cros_board': 'octopus',
       'cros_chrome_version': '110.0.5423.0',
-      'cros_img': 'octopus-release/R110-15249.0.0',
+      'cros_img': 'octopus-release/R110-15255.0.0',
     },
     'enabled': True,
     'identifier': 'OCTOPUS_RELEASE_LKGM',
@@ -698,7 +698,7 @@
     'skylab': {
       'cros_board': 'strongbad',
       'cros_chrome_version': '110.0.5423.0',
-      'cros_img': 'strongbad-release/R110-15249.0.0',
+      'cros_img': 'strongbad-release/R110-15255.0.0',
     },
     'enabled': True,
     'identifier': 'STRONGBAD_RELEASE_LKGM',