Provide more flexible scoring algorithms am: d9e39c7a64

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/23501952

Change-Id: Ia1e7c1b5e97bda531d681a74b68d185382a45418
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>