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https://crrev.com/c/1812241 reads the monitor refresh rate with xrandr
when we're using desktop GL on Linux Nvidia. This applies the same fix
when we're using ANGLE (--use-cmd-decoder=passthrough).

Also fixes X11 errors when the primary display is disconnected.

Bug: 1012262, 535392
Change-Id: I0c54371496aa141643c5f6a2950935e22ba0f534
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1857091
Commit-Queue: James Darpinian <jdarpinian@chromium.org>
Reviewed-by: Sunny Sachanandani <sunnyps@chromium.org>
Reviewed-by: Thomas Anderson <thomasanderson@chromium.org>
Cr-Commit-Position: refs/heads/master@{#706259}