Merge "libaudiohal@aidl: Implement effects adding/removal" am: 7f840ed0a8 am: e186b7567f am: b5b5fbc6a5

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2627045

Change-Id: I3fe1917374d2944b2615b9797b8a27fd97a00d70
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>