Merge "Invalidate stylus handwriting availability cache" into udc-qpr-dev am: 9c82fbcb

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24310418



Change-Id: I5cc50decbce75f8b127d095b38b54664a07f39bb
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>