Merge "Add AIDL interfaces for fake STHAL" into udc-dev am: d569a8b1

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21659269



Change-Id: Id1c81672a9628a16959690357fb328d27b160a8d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>