Merge "StylusManager for managing local stylus listeners and state." into tm-qpr-dev am: b66446f141 am: 1323de98d2

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20579491

Change-Id: I6cd810901e06ebb4da47248d8d2cadf7a448e0da
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>