Roll ANGLE DEPS.

Push changes to fix WebGL conformance, in D3D9 (atan) and D3D11
(preserve-drawing-buffer).

BUG=322794

Review URL: https://codereview.chromium.org/141203003

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248265 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@248266 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 248266