Merge "Update and clean up audiorouting_tests" into main am: 08fb9c21

Original change: https://android-review.googlesource.com/c/platform/frameworks/av/+/2762251



Change-Id: I8a40c8b512a13f9a972f95b4cdb46510691e86f8
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>