Merge "MediaMetrics: Retain previous audio state a limited time." into rvc-dev am: f3f98cc259 am: f42a519be4 am: 5bde6c3341

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11931279

Change-Id: I739e421f3f071ea6c0aa674e71e7fa8b285049a0