Several months of updates. Does not change the build files - will
mean the GPU.FYI bots temporarily break, and possibly there's some
flakiness on the ANGLE trybots and Optional GPU bots until the
correct suppression set is instated.

BUG=chromium:671021

Change-Id: I207be11ed37a9173f53a06554880be6ebcaee5fa
Reviewed-on: https://chromium-review.googlesource.com/418405Reviewed-by: Jamie Madill <jmadill@chromium.org>