Fix CommunalManagerUpdaterTest.

package com.android.systemui.communal;

import static org.mockito.ArgumentMatchers.any;

import static org.mockito.Mockito.clearInvocations;

import static org.mockito.Mockito.doAnswer;

import static org.mockito.Mockito.mock;

import static org.mockito.Mockito.verify;

import android.app.communal.CommunalManager;

import android.testing.AndroidTestingRunner;

import android.testing.TestableLooper;

import androidx.test.filters.SmallTest;

@SmallTest

@RunWith(AndroidTestingRunner.class)

@TestableLooper.RunWithLooper

public class CommunalManagerUpdaterTest extends SysuiTestCase {

    private CommunalSourceMonitor mMonitor;

    @Mock

        MockitoAnnotations.initMocks(this);

        mContext.addMockSystemService(CommunalManager.class, mCommunalManager);

        doAnswer(invocation -> {

            final CommunalConditionsMonitor.Callback callback = invocation.getArgument(0);

            callback.onConditionsChanged(true);

            return null;

        }).when(mCommunalConditionsMonitor).addCallback(any());

        mMonitor = new CommunalSourceMonitor(mCommunalConditionsMonitor);

        final CommunalManagerUpdater updater = new CommunalManagerUpdater(mContext, mMonitor);

        updater.start();

        clearInvocations(mCommunalManager);

    }

    @Test