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

Merge "Introduce handwriting hover icon and update its hide/show logic" into udc-dev am: f7e5dac8 am: e42c8b5e am: c1ca16c0

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



Change-Id: I1f5cbfad962fc39fba81994f713698c5f2581265
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>