AIDL effect: Initial IEffect interface implementation and vts test am: 4590517a96 am: db4ff5da08 am: eb9789c77c am: 60ea774bcb

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/2221633

Change-Id: I62f5c6ced8a8358df6549c1c8a4ddb318d6d2496
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>