Merge "Make sure to send HOVER_EXIT when starting touch exploration if we haven't sent it already." into main am: 6c737e8ca0 am: 9e901f2cdf

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/2677516

Change-Id: I98545ca4f320a0362e6b1b822bbe110e3cf5abdc
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>