Automatic: x86-mario-release - Updating to a new version number from 4287.1.0

Change-Id: I7a6c6f3700f125cc4c4eb67afb031a0abc9c32d3
diff --git a/chromeos/config/chromeos_version.sh b/chromeos/config/chromeos_version.sh
index 8581a50..1749eb8 100755
--- a/chromeos/config/chromeos_version.sh
+++ b/chromeos/config/chromeos_version.sh
@@ -20,7 +20,7 @@
   # Release Branch number.
   # Increment by 1 for every release build on a branch.
   # Reset to 0 when increasing release build number.
-  export CHROMEOS_BRANCH=1
+  export CHROMEOS_BRANCH=2
 
   # Patch number.
   # Increment by 1 in case a non-scheduled branch release build is necessary.