Merge "Merge "Introduce handwriting hover icon and update its hide/show logic" into udc-dev am: f7e5dac8 am: fa93818c" into udc-d1-dev-plus-aosp am: cdaa9e44 am: d1d5d38c

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22913454



Change-Id: Ie8f75aa96d61b8ff8dac1fee1dbe1038d7889cc6
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>