[reclient] Incremental builders on 32-core bots.

Set up some 32-core incremental builder (Linux Builder) for performance
comparisons.

Reclient, goma, reclient on gvisor.

Bug: b/187187124, b/181014973
Change-Id: I2e2d36c5dac33e77c044b2bc2ae6446a410ec459
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2875713
Commit-Queue: Michael Savigny <msavigny@google.com>
Commit-Queue: Erik Staab <estaab@chromium.org>
Auto-Submit: Michael Savigny <msavigny@google.com>
Reviewed-by: Erik Staab <estaab@chromium.org>
Reviewed-by: Dirk Pranke <dpranke@google.com>
Cr-Commit-Position: refs/heads/master@{#879598}
NOKEYCHECK=True
GitOrigin-RevId: e2a5830d00bc905eb608c7834fe41b9e40074233
diff --git a/mb/mb_config.pyl b/mb/mb_config.pyl
index 2b9f0b0..9efa240 100644
--- a/mb/mb_config.pyl
+++ b/mb/mb_config.pyl
@@ -296,6 +296,9 @@
       'Libfuzzer Upload Linux UBSan': 'libfuzzer_ubsan_release_bot',
       'Libfuzzer Upload Mac ASan': 'libfuzzer_mac_asan_shared_release_bot',
       'Libfuzzer Upload Windows ASan': 'libfuzzer_windows_asan_release_bot',
+      'Linux Builder (core-32) (goma)': 'gpu_tests_release_bot',
+      'Linux Builder (core-32) (reclient)': 'gpu_tests_release_bot_reclient',
+      'Linux Builder (core-32) (runsc) (reclient)': 'gpu_tests_release_bot_reclient',
       'Linux Builder (deps-cache) (reclient)': 'gpu_tests_release_bot_reclient',
       'Linux Builder (j-500) (reclient)': 'gpu_tests_release_bot_reclient',
       'Linux TSan Builder (goma cache silo)': 'tsan_disable_nacl_release_bot',
diff --git a/mb/mb_config_expectations/chromium.fyi.json b/mb/mb_config_expectations/chromium.fyi.json
index 14ec20e..a49a39c 100644
--- a/mb/mb_config_expectations/chromium.fyi.json
+++ b/mb/mb_config_expectations/chromium.fyi.json
@@ -146,6 +146,33 @@
       "use_libfuzzer": true
     }
   },
+  "Linux Builder (core-32) (goma)": {
+    "gn_args": {
+      "ffmpeg_branding": "Chrome",
+      "is_component_build": false,
+      "is_debug": false,
+      "proprietary_codecs": true,
+      "use_goma": true
+    }
+  },
+  "Linux Builder (core-32) (reclient)": {
+    "gn_args": {
+      "ffmpeg_branding": "Chrome",
+      "is_component_build": false,
+      "is_debug": false,
+      "proprietary_codecs": true,
+      "use_rbe": true
+    }
+  },
+  "Linux Builder (core-32) (runsc) (reclient)": {
+    "gn_args": {
+      "ffmpeg_branding": "Chrome",
+      "is_component_build": false,
+      "is_debug": false,
+      "proprietary_codecs": true,
+      "use_rbe": true
+    }
+  },
   "Linux Builder (deps-cache) (reclient)": {
     "gn_args": {
       "ffmpeg_branding": "Chrome",