chromeos_version.sh: Changing version on trunk back to 40.

A release branch was created before it was ready.  We need to
remove the branch and then reset the versioning to build from
Chrome 40 instead of 41 on trunk.

BUG=None
TEST=None

Change-Id: I970b7b15507be6627f76f0202feb0b955cef52b3
1 file changed