Merge "Support virtual device specific audio session in TTS." into udc-dev am: 0b263f79

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22463391



Change-Id: Ibd08b4e8e5d865fffe359c3f0f3b10aad0766a30
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>