Revert "Verify KeyEvents in IME"

Revert submission 30239730-verify-key-event

Reason for revert: Droidmonitor created revert due to b/378971472. Will be verifying through ABTD before submission.

Reverted changes: /q/submissionid:30239730-verify-key-event

Change-Id: Ie54371afcdea833320e895aeba710356b7c05342
6 files changed