Merge "aaudio: disable exclusive mode after steal" into rvc-dev am: 4e48c247 am: 098f64da

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11665503

Change-Id: I2b7e0065c444e2bc2828d1bfe12a881f5e76a1da