Merge "ashmem: Remove backwards compatibility for R APEXes running on Q" into main am: 1dc1edfd47

Original change: https://android-review.googlesource.com/c/platform/system/core/+/3521631

Change-Id: I32eab668e355aeac5a6b3ef5211409624b35636b
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>