Fix validation logic in TvInputAidlTest am: 73b1d1aa5c

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

Change-Id: Id25285d354b3a5bd30141ef48b89231397337a95
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>