[CompositeAfterPaint] Rebaseline some tests and update expectations

Some tests have already been passing since BlinGenPropertyTrees
is promoted to experimental.

Change-Id: I3f99c22550461b096199cef9bbda458f5fcac1d8
Reviewed-on: https://chromium-review.googlesource.com/c/1366277
Commit-Queue: Xianzhu Wang <wangxianzhu@chromium.org>
Reviewed-by: Philip Rogers <pdr@chromium.org>
Cr-Commit-Position: refs/heads/master@{#614749}
39 files changed