Merge "Change string from "Add device" to "Pair new device"" into pi-dev

    <com.android.settingslib.RestrictedPreference

        android:key="bluetooth_screen_add_bt_devices"

        android:title="@string/connected_device_add_device_title"

        android:title="@string/bluetooth_pairing_pref_title"

        android:icon="@drawable/ic_menu_add"

        android:summary="@string/connected_device_add_device_summary"

        android:fragment="com.android.settings.bluetooth.BluetoothPairingDetail"