Merge "Stylus fusion: Use SOURCE_BLUETOOTH_STYLUS dynamically for events" into udc-qpr-dev am: 6d86aa2d2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/native/+/24807954

Change-Id: Ib63678373d002aa415c0a58d2f8f1fab68eb1ee3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>