Listed order on "previously connected" depend on recently connected devices

This CL use Bluetooth api "getMostRecentlyConnectedDevices()" to get
recently connected devices list. Let "previously connected" will list
most recently connected device on the top.

Bug: 130984590
Test: make -j42 RunSettingsRoboTests
Change-Id: I8d425b6da6cb9fe9fd1417937b4cb9a052cd1660
3 files changed