Merge "Retire pcmStart and pcmStop" am: afd71a85a1

Original change: https://android-review.googlesource.com/c/device/generic/goldfish/+/2185996

Change-Id: I21949710880e465abf4c67a89f11ff89f8e440bd
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>