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The problem was caused by the expansion of damage under the pixel-moving
backdrop filters didn't take into account the damage coming from an
earlier stage (cc) in the pipeline.

Bug: 1107376
Change-Id: Ie734cdbec910b17bb4b12fc9f209345e04ad12e7
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/2310389
Commit-Queue: Jun Liu <yjliu@chromium.org>
Reviewed-by: kylechar <kylechar@chromium.org>
Cr-Commit-Position: refs/heads/master@{#791448}