Need to check isManagedByCompanionApp before calling getMacAddress()

Since AssociationInfo.getIdOfType() might return null,
we need to to check !Association.isManagedByCompanionApp
before calling getMacAddress()

Test: cts verifier
bug: 198539218
Change-Id: Idd2e6940aea511adc08804ab4c23ea199584808d
1 file changed