Log event information when event is dropped

To help debug cases where the windows and displays are misconfigured,
let's check where the touch is trying to go when the events are dropped.

Bug: 220241282
Test: atest inputflinger_tests
Change-Id: I0f678a91954a4ba2a5c6e9aca8d9200e0f368271
(cherry picked from commit 84296558)