Merge "AudioFlinger: Fix spurious underrun logging" into rvc-dev am: 54cc1e3c43 am: 43fd672bd7 am: f536e77633

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11956760

Change-Id: Ice0dd30ecf71e5801b65c73e91ac8c7cc14cfa9c