Merge "EARC: Add eARC AIDL files" am: 7fb9baae1c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2308889

Change-Id: I8cc4e290ef7ce7b8d7a11624387c5a2003c377ec
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>