Updating the branch-info.txt for cherry pick c4873 from trunk to 1.6 (r4878)

Patch by: amitmanjhi
Review by: fabbott (desk review)



git-svn-id: https://google-web-toolkit.googlecode.com/svn/releases/1.6@4879 8db76d5a-ed1c-0410-87a9-c151d255dfc7