android: Try to fix ant_codegen_ after 255971.

BUG=177552
TBR=cjhopman@chromium.org

Review URL: https://codereview.chromium.org/193163004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@256020 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 256020