unittest: fix le scanning manager am: 93b8be4a am: 36188cb7 am: 42f9207b

Original change: https://android-review.googlesource.com/c/platform/packages/modules/Bluetooth/+/2260704



Change-Id: I1d3d7679ebd5c025e62615fd83b00900ce753c65
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>