Deprecate support for legacy effect config file audio_effects.conf am: 225c6340

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2585165



Change-Id: I335c5b52f4f843e1b854d1644fcd19a9f6b270c9
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>