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The feature does not work with GL renderer.

Also, set |supports_target_damage| cap to false on
Windows. Otherwise we saw black flashes when switching
from video overlay mode to chrome compositing mode.

BUG=1122686,1117185
TEST=manual
R=kylechar@chromium.org

Change-Id: I9e759b2b58e26b76972fb0e3373540f83a560904
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2490411
Commit-Queue: Zhenyao Mo <zmo@chromium.org>
Reviewed-by: kylechar <kylechar@chromium.org>
Auto-Submit: Zhenyao Mo <zmo@chromium.org>
Cr-Commit-Position: refs/heads/master@{#819558}