CHROMIUM: Merge remote-tracking branch 'upstream/master' into chromeos-freedreno

Pull in latest upstream Google Earth fix, gfxbench performance
improvements, etc.

BUG=b:145579089, b:157443167, b:158030302, b:158227924
TEST=various play store games, aquarium, gfxbench, etc

Cq-Depend: chromium:2227152
Change-Id: If1ecb8b2957b7512256a5829b5eec07446e9ebfb