Automated Commit: LKGM 15609.0.0 for chromeos.

Uploaded by https://ci.chromium.org/b/8770470246875187905


CQ_INCLUDE_TRYBOTS=luci.chrome.try:chromeos-betty-pi-arc-chrome
CQ_INCLUDE_TRYBOTS=luci.chrome.try:chromeos-eve-chrome
CQ_INCLUDE_TRYBOTS=luci.chrome.try:chromeos-jacuzzi-chrome
CQ_INCLUDE_TRYBOTS=luci.chrome.try:chromeos-octopus-chrome
CQ_INCLUDE_TRYBOTS=luci.chrome.try:chromeos-reven-chrome

Change-Id: I39f98943e3edd4d36f9725731b815c44c0590104
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/4855160
Commit-Queue: ChromeOS bot <3su6n15k.default@developer.gserviceaccount.com>
Bot-Commit: ChromeOS bot <3su6n15k.default@developer.gserviceaccount.com>
Cr-Commit-Position: refs/heads/main@{#1194508}
diff --git a/chromeos/CHROMEOS_LKGM b/chromeos/CHROMEOS_LKGM
index 56915f43..d85b9da 100644
--- a/chromeos/CHROMEOS_LKGM
+++ b/chromeos/CHROMEOS_LKGM
@@ -1 +1 @@
-15608.0.0
\ No newline at end of file
+15609.0.0
\ No newline at end of file