Merge "AudioAttributes: fix setter for flags" into rvc-dev am: a750903b42 am: 78d37b71d5 am: 3121a4cc35

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/12003758

Change-Id: Ie1d5274e1521cac1bd3cf2eb7403ddcc6fbbce49