Merge "Fix handwriting delegation when delegate already has input connection" into udc-dev am: 81a6dbd3 am: 9a1eaf25

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/21996108



Change-Id: I44e57eab3983a73fbb14c5825d8431cbf42796e7
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>