Merge "fix API description on how to round average qp" am: 1c0277d78d

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2067619

Change-Id: Ib4ec8372d8f63bc6d7d73ac60aa40dd7ead097a6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>