Merge "aidl VTS helper: highlight unimplemented interface" into main am: 4143b947b7 am: cc3b141379 am: bd5ffbd7de

Original change: https://android-review.googlesource.com/c/platform/system/libvintf/+/2871779

Change-Id: I8ce0b5d2e70f337bbaf0ff18fad6671a996a0cae
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>