Merge "Make EffectsFactoryHalHidl members const" am: 32efe595df

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2549650

Change-Id: I7a5e5f00dca1109aa4bc6e5e2905c6883d65645d
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>