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

Pull in two fixes for A6xx:

1) fix for eglDupNativeFenceFDANDROID() error causing "flashing"
2) fix for GPU hangs with GPU rasterization enabled

See also
https://chromium-review.googlesource.com/c/chromium/src/+/1913061
for enabling GPU rasterization

BUG=chromium:1022998
TEST=update mesa and verify chromium:1022998 is resolved, and that
     there are no GPU hangs with GPU rasterization enabled

Change-Id: Id617ef13b0878e1001fa334885bc3788edf25f1d