SystemServer: parametrized test for current flags

also fix current test mocking failure with the flag
get_name_and_address_as_callback

Flag: com.android.bluetooth.flags.get_name_and_address_as_callback
Test: atest ServiceBluetoothTests
Bug: 368114370
Change-Id: I6ba6b33bab661a8c3a934f8860e073bca149ad88