Suppress AppSearch MTS tests on S and below. am: 5ac4b4cd32 am: 539e58fb7d

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

Change-Id: I1386e50221133b2bae1ae24eb2b3a980fa53fbaa
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>