Merge "Show helper message when launching the test item" into android11-tests-dev am: 9c549b88ed

Original change: https://android-review.googlesource.com/c/platform/cts/+/2148557

Change-Id: Ia2faf6a275e36112949a7beee8eabe8e4828e776
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>