GitLab

In ContentViewRenderView, waiting an extra frame to remove the
background prevents flashes of black from Android's default Surface
content, and flashes of the compositor's default background.

Bug: internal b/73804884
Test: repro bug
Change-Id: Ib221403890200be6e842e0d85780d18db859d159
Reviewed-on: https://chromium-review.googlesource.com/1041185Reviewed-by: Bo <boliu@chromium.org>
Commit-Queue: Thoren Paulson <thoren@chromium.org>
Cr-Commit-Position: refs/heads/master@{#555807}