Merge "Extract QSHost interface" into tm-qpr-dev am: 0deba05b am: 6fe7812c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20069442



Change-Id: I02e513568fd9e7c520f46cfa7e53e7553c7c07ae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>