Merge "AudioFlinger: Fix spurious underrun logging" into rvc-dev am: 54cc1e3c43 am: 43fd672bd7 am: 19fa75e682

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

Change-Id: I2ad5e212669c920ecc9fd126b77b21a52a1d3164