Bump branch number after branching refs/heads/stabilize-5254.B

Change-Id: Ia57e7e68e7bc54a403a5a553dbb542aebe9e8343
diff --git a/chromeos/config/chromeos_version.sh b/chromeos/config/chromeos_version.sh
index be709c9..7a7292f 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=0
+  export CHROMEOS_BRANCH=1
 
   # Patch number.
   # Increment by 1 in case a non-scheduled branch release build is necessary.