Merge "Update autoHandwritingEnabled documentation" into udc-dev am: 0cf9bf990d am: 3466faaa7a

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/24484185

Change-Id: I8322459cf18b7175336ff3571e4988641d55be58
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>