Merge "Merge "Introduce handwriting hover icon and update its hide/show logic"...

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

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



Change-Id: I4375508d105ccad337f46340d67f4b0ede316345
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>