DynamicsProcessing: Add AIDL placeholder implementation and its unit test

Update audio_effects_config.xml to use libeffect dynamicsProcessing
implementation.

Bug: 258124419
Test: atest VtsHalDynamicsProcessingTargetTest
Test: atest VtsHalAudioEffectTargetTest

Change-Id: If93d084be383b716ff950faf1c3e23d6c1edaa66
11 files changed