Merge "[Settings] Re-enable previous work on data saver" into udc-dev

        addPreferencesFromResource(R.xml.data_saver);

        mUnrestrictedAccess = findPreference(KEY_UNRESTRICTED_ACCESS);

        mApplicationsState = ApplicationsState.getInstance(

                (Application) getContext().getApplicationContext());

        mDataSaverBackend = new DataSaverBackend(getContext());

        mDataUsageBridge = new AppStateDataUsageBridge(mApplicationsState, this, mDataSaverBackend);

        mSession = mApplicationsState.newSession(this, getSettingsLifecycle());

    }

    @Override