Version 3.28.28.1 (merged r22467)

Fix the android_webview build's gyp files after the changes in r22444.

TBR=rmcilroy@chromium.org
BUG=

Review URL: https://codereview.chromium.org/407443006

git-svn-id: https://v8.googlecode.com/svn/trunk@22468 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
Merge remote-tracking branch 'upstream/trunk' into trunk