Revert 240300 "Roll Skia DEPS to r12631"

Speculative revert to try to fix the tree.

> Roll Skia DEPS to r12631
> 
> R=rmistry@google.com
> 
> Review URL: https://codereview.chromium.org/113443002

TBR=robertphillips@google.com

Review URL: https://codereview.chromium.org/103893004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240328 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@240329 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 240329