Show the multiple Mac address for the coordinated set

Show the mac address for all the devices if the device detail combine
with the multiple connections based on CSIP.

Screenshot: https://screenshot.googleplex.com/qQjc2pxNTr3tMUV

Bug: 178981521
Test: pair with the coordinated set, and check the UI
Change-Id: I01e0ec91e5c856481318d6435d174b5a2018d820
Merged-In: I01e0ec91e5c856481318d6435d174b5a2018d820