Do not slide event into the new window which can't receive motion event

When we slide an event into a new window, we should check if the window
 can receive motion events to prevent incorrect dispatching of events.

Bug: None
Test: atest inputflinger_tests

Signed-off-by: Linnan Li <lilinnan@xiaomi.corp-partner.google.com>
(cherry picked from https://partner-android-review.googlesource.com/q/commit:76f89b7a1bac7a3be2fc8f5b990e39a45a265afa)
Merged-In: Idc604c4db40f77ee682b88060b9e9d3f33c594aa
Change-Id: Idc604c4db40f77ee682b88060b9e9d3f33c594aa