Merge changes from topics "action-in-apex-config", "apex-ready-event",...

Merge changes from topics "action-in-apex-config", "apex-ready-event", "subcontext-for-vendor-apex" am: ec76b5cb am: 364bc731

Original change: https://android-review.googlesource.com/c/platform/system/core/+/2093006



Change-Id: I3f9f6446af71094526e3c5a2ff2034ba25495c7a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>