Merge "Support multi-window handwriting without focus requirement on down"...

Merge "Support multi-window handwriting without focus requirement on down" into tm-dev am: 003535dd am: 8da8e6c7

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/17982123



Change-Id: I1933af38f3c332e71053c1f70e01040f9f31cec8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>