Merge "Replace #apex with #systemapi" am: b1151361c9 am: 80cd0a84a0 am: 7a11de2a50 am: fc2f43f5d1 am: ce077ee1d6

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2155321

Change-Id: I7bbd0eb7d0721f8505f221f1a80fe0d87680c527
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>