[automerger skipped] Make Activites touch opaque - DO NOT MERGE am: 74ce78dfb4 am: 61dbe88cf9 -s ours am: 4a9d4427db -s ours

am skip reason: subject contains skip directive

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18029146

Change-Id: If15ac4dfe130593f1acfc6dc8b57c57edc9912a5
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>