Append status to title for the disconnected Bluetooth device

-Set gray color for status
-Remove status text in subtitle
-Add test cases

Bug: 149176483
Test: make -j42 RunSettingsRoboTests
Change-Id: I5ebb4e080f43d4c0fc00d87a4732ace76c2d806e

tests/robotests/src/com/android/settings/media/MediaOutputSliceTest.java

@@ -44,6 +44,7 @@ import androidx.slice.core.SliceAction;
 import androidx.slice.core.SliceQuery;
 import androidx.slice.widget.SliceLiveData;
 
+import com.android.settings.R;
 import com.android.settings.testutils.shadow.ShadowBluetoothAdapter;
 import com.android.settingslib.media.LocalMediaManager;
 import com.android.settingslib.media.MediaDevice;
@@ -155,6 +156,26 @@ public class MediaOutputSliceTest {
         assertThat(primaryAction.getTitle().toString()).isEqualTo(TEST_DEVICE_1_NAME);
     }
 
+    @Test
+    public void getSlice_disconnectedBluetooth_verifyTitle() {
+        mDevices.clear();
+        final MediaDevice device = mock(MediaDevice.class);
+        when(device.getName()).thenReturn(TEST_DEVICE_1_NAME);
+        when(device.getIcon()).thenReturn(mTestDrawable);
+        when(device.getMaxVolume()).thenReturn(100);
+        when(device.isConnected()).thenReturn(false);
+
+        mDevices.add(device);
+        mMediaDeviceUpdateWorker.onDeviceListUpdate(mDevices);
+
+        final Slice mediaSlice = mMediaOutputSlice.getSlice();
+        final SliceMetadata metadata = SliceMetadata.from(mContext, mediaSlice);
+
+        final SliceAction primaryAction = metadata.getPrimaryAction();
+        assertThat(primaryAction.getTitle().toString()).isEqualTo(TEST_DEVICE_1_NAME + " ("
+                + mContext.getText(R.string.media_output_disconnected_status) + ")");
+    }
+
     @Test
     public void onNotifyChange_foundMediaDevice_connect() {
         mDevices.clear();