Merge "AIDL effect: Declare effectProxy class as final" am: 0c791f42bf am: 781acc7dbd

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2509715

Change-Id: Iac7648afc7b812337034ae73766aec57512c7c96
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>