fix KeyEvent can't correctly finish when inputmethod time out happend

Symptom: If inputmethod handle an KeyEvent time out ,
Did not finish this event correctly , eventually lead to app ANR
Root Cause: without seq number when obtainMessage MSG_TIMEOUT_INPUT_EVENT
Solution: add seq parameter

Test: Input
Test: InputMethod
Bug: 28635475

Change-Id: I3a2b964b34aa57267bd777305200a2bfdc66f65c
Signed-off-by: gaoshang <gaoshang@xiaomi.com>