Merge "Unocclude immediately so that the surface animation is visible." into tm-dev am: aa9e92c1 am: 2f6acab1 am: 1f27b3c0 am: 778d71a5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18169504



Change-Id: I15dfab898ad4f04c4b41d3eed40fb2213ab1c71b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>