Enable ubsan in inputflinger_tests

To ensure correctness, let's enable ubsan checker. Starting with just
our inputflinger tests first.

Bug: 251249010
Test: m inputflinger_tests && $ANDROID_HOST_OUT/nativetest64/inputflinger_tests/inputflinger_tests
Change-Id: Id340838fc87a5250ca131bd16023d8476cdec55d
1 file changed