Merge "Drop prebuilt files to android source tree." into tm-dev am: 045ab2fc am: 13a28ae2 am: 8268ec8d

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/18331943



Change-Id: Ieaed6103195504b81796941a2a0d830f44a60571
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>