Mesa ES 3.0 requires sized internal formats

Mesa's ES 3.0 implementation requires GL_R8 as an internal format instead
of GL_RED

Review URL: https://codereview.chromium.org/705183002
One more attempt at rebaselining

TBR=egdaniel@google.com
NOTREECHECKS=true

Review URL: https://codereview.chromium.org/708903006
add patch and clicktracking to lua

BUG=skia:

Review URL: https://codereview.chromium.org/712613002