Reland "GL: Fix GPU detection" This is a reland of 30dea869a7dc939f94048de23d70705247905c51 Original change's description: > GL: Fix GPU detection > > Always use GL_VENDOR to determine vendor. On multi-GPU systems, this > ensures that the correct GPU is used to determine workarounds. > GetSystemInfo is still broken in that it assumes the discrete GPU to be > active, but with this change it will only affect the test infrastructure > (and not users). > > Bug: chromium:1187475 > Bug: angleproject:6174 > Change-Id: I4dffadf0e28c73e01d6b4bf49ab708c0714cdc7c > Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3049350 > Reviewed-by: Kenneth Russell <kbr@chromium.org> > Reviewed-by: Jamie Madill <jmadill@chromium.org> > Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Bug: chromium:1187475 Bug: angleproject:6174 Change-Id: Id0e5bae23f60e87d3de384e84dc5b8059013926d Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3067801 Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>