Merge "Revert "Deprecate support for legacy effect config file audio_effects.conf"" into udc-dev am: 7ffe564e27 am: dcc196c255

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23247960

Change-Id: Id88e5aed9697f5353948ea6312d3de8b59a5b57a
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>