Merge "Detecting first stylus usage." into tm-qpr-dev am: 61a425a0e3 am: 5709ad0c2c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/20662416

Change-Id: I2c3a83e3654064eb0328aa31f7b505785b325604
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>