Update SVN revisions for reference builds in DEPS.

BUG=
NOTRY=True

Review URL: https://codereview.chromium.org/176763010

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255045 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255046 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255046