Merge "Report toolType on handwriting start" into udc-dev am: 00abd176 am: 1b4730e6

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/23375872



Change-Id: I9bcd5069666327d4ddd01381896c3e4143c93e71
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>