After this change, users can long press 'IP address & Port'
and use Copy button.
Bug: 162965202
Test: manual
Long press 'IP address & Port' and use Copy button.
Change-Id: Ib3d131fef9cd18230844fc13a63bb9ab9bf07d2e
The preference should be hidden if isAdbWifiQrSupported() is false.
Bug: 150163684
Bug: 149843499
Test: make RunSettingsRoboTests ROBOTEST_FILTER=AdbQrCodePreferenceControllerTest
Change-Id: I3e833440fb1a6f369ac97cec8db04f2b99dd4640