Merge "audioflinger: fix FIXME in logBufferSizeUnderruns" into rvc-dev am: 167afa7033

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/av/+/11690113

Change-Id: I181bbc5cc3306f8ffe5c7cab1b6a5149863aae16