Merge "Clean up EffectHalInterface" am: 3bc9e1368b am: 9297e935ff am: 3b5e54e12b

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2627341

Change-Id: I38f7203dd8c390f0f7b8b035a8efa80f36a6dc64
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>