Automatic: peach_pit-factory - Updating to a new version number from 4280.15.0

Change-Id: I03c0f75b6b569acd2b2939c4d31086dbea86475f
diff --git a/chromeos/config/chromeos_version.sh b/chromeos/config/chromeos_version.sh
index 5247a4c..112d3c5 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=15
+  export CHROMEOS_BRANCH=16
 
   # Patch number.
   # Increment by 1 in case a non-scheduled branch release build is necessary.