roll skia DEPS to 13700

Chromium base revision: 255605 / 475fd16c
Old Skia revision: 13693
New Skia revision: 13700
Control CL: https://codereview.chromium.org/190753002

This CL was created by Skia's roll_deps.py script.

Bypassing commit queue trybots:
NOTRY=true

Review URL: https://codereview.chromium.org/190763002

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255630 0039d316-1c4b-4281-b951-d872f2087c98
Update .DEPS.git

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@255631 0039d316-1c4b-4281-b951-d872f2087c98
SVN changes up to revision 255631