Merge "Add Mobly test runner per SL4A_SL4A test script" into tm-dev am: 0cfb7f19

Original change: https://googleplex-android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/18273497



Change-Id: I42c513a1655c0b9b85736f4e98ef899a642f92f2
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>