[automerger skipped] Audio r_submix : Handle the usecase when no data is...

[automerger skipped] Audio r_submix : Handle the usecase when no data is available to read. am: 827f2eb0 -s ours am: d8fe7b7e -s ours

am skip reason: Merged-In Ifd6706d593f890dd8ae148523a37177774c8ffd4 with SHA-1 675cce24 is already in history

Original change: https://googleplex-android-review.googlesource.com/c/platform/hardware/interfaces/+/24313402



Change-Id: I2ad9133d937345897d3978a335607a9d2de76cfc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>