Suppress AppSearch MTS tests on S and below. am: 5ac4b4cd32

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/AppSearch/+/18972225

Change-Id: I91939be8e8dceded4c87648c99bcd22ae3264793
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>