Add VerifyInputEventTest to presubmit

This test will now run as part of presubmit for input-related code. It
will ensure that we will never break it by modifying input code in
isolation.

Bug: 192532606
Test: cd frameworks/native/services/inputflinger && atest
Change-Id: I6d3432a79b92564f66636d3f68951bcfaec260c1