Add adoptShellPermissionIdentity to setup

package com.android.server.media;

import static android.Manifest.permission.MODIFY_AUDIO_ROUTING;

import static com.android.server.media.AudioRoutingUtils.ATTRIBUTES_MEDIA;

import static com.android.server.media.AudioRoutingUtils.getMediaAudioProductStrategy;

import android.annotation.NonNull;

import android.annotation.Nullable;

import android.app.Instrumentation;

import android.bluetooth.BluetoothAdapter;

import android.bluetooth.BluetoothManager;

import android.content.Context;

import androidx.test.platform.app.InstrumentationRegistry;

import org.junit.After;

import org.junit.Before;

import org.junit.Test;

import org.junit.runner.RunWith;

                    /* name= */ null,

                    /* address= */ null);

    private Instrumentation mInstrumentation;

    private AudioDeviceInfo mSelectedAudioDeviceInfo;

    private Set<AudioDeviceInfo> mAvailableAudioDeviceInfos;

    @Mock private AudioManager mMockAudioManager;

    @Before

    public void setUp() {

        MockitoAnnotations.initMocks(this);

        mInstrumentation = InstrumentationRegistry.getInstrumentation();

        mInstrumentation.getUiAutomation().adoptShellPermissionIdentity(MODIFY_AUDIO_ROUTING);

        Resources mockResources = Mockito.mock(Resources.class);

        when(mockResources.getText(anyInt())).thenReturn(FAKE_ROUTE_NAME);

        Context realContext = InstrumentationRegistry.getInstrumentation().getContext();

        Context realContext = mInstrumentation.getContext();

        Context mockContext = Mockito.mock(Context.class);

        when(mockContext.getResources()).thenReturn(mockResources);

        // The bluetooth stack needs the application info, but we cannot use a spy because the

        clearInvocations(mOnDeviceRouteChangedListener);

    }

    @After

    public void tearDown() {

        mInstrumentation.getUiAutomation().dropShellPermissionIdentity();

    }

    @Test

    public void getSelectedRoute_afterDevicesConnect_returnsRightSelectedRoute() {

        assertThat(mControllerUnderTest.getSelectedRoute().getType())