Fix corss-link hearing device settings

Root Cause: There are two device details entries in Connected devices and Hearing devices page which can both go to the same page, it will have the endless loop problem.

Solution: Only show hearing device settings comes from Connected devices page.

Bug: 320709814
Test: make RunSettingsRoboTests ROBOTEST_FILTER=BluetoothDeviceDetailsFragmentTest
Change-Id: I26941d0d16ab3bb0df0cb2c481c25c6c41340261