Merge "Skip tests if TA not installed" into main am: f4f9f24e37

Original change: https://android-review.googlesource.com/c/trusty/app/secretkeeper/+/2936741

Change-Id: I0cc3e841a95109aa7bcf9f340e5780163bb3955e
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>