Merge "Loudness Enhancer : Add libeffect implementation" am: 6c130be1eb am: c0b58710f2

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2347626

Change-Id: Ib1af50ef39fe1135c1cccc38be699394b64481ac
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>