Fix validation logic in TvInputAidlTest am: 73b1d1aa5c

Original change: https://android-review.googlesource.com/c/platform/hardware/interfaces/+/3207431

Change-Id: I3d427ff853489ef88f0ec90ea3e3b2684bc1a78f
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>