Merge "Require calls to BluetoothA2dp#setBufferLengthMillis to pass a non-negative value" into sc-dev am: 7a3cb23bf9 am: 7d712166f8 am: 97fcfce7b5

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/15404294

Change-Id: I696d3081913130b62df082de4ca26c359f9e453d