Merge "Send an end signal from UMO to finish turbulence noise." into tm-qpr-dev am: 9099f0fd

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20838722



Change-Id: I0e51a495faccc849722b8246430a8c6cc3895b45
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>