Redirect to output switcher panel to the new dialog

-Redirect for Cast button
-Send intent when call MediaOutputPanel::create()
-Return null to finish the activity

Bug: 172178632
Test: make -j50 RunSettingsRoboTests
Change-Id: I1038e237113f433c847aff98a45b1dd6089d80a8

src/com/android/settings/panel/MediaOutputPanel.java

@@ -44,6 +44,7 @@ import com.android.settings.Utils;
 import com.android.settingslib.media.InfoMediaDevice;
 import com.android.settingslib.media.LocalMediaManager;
 import com.android.settingslib.media.MediaDevice;
+import com.android.settingslib.media.MediaOutputSliceConstants;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -72,7 +73,12 @@ public class MediaOutputPanel implements PanelContent, LocalMediaManager.DeviceC
     private MediaController mMediaController;
 
     public static MediaOutputPanel create(Context context, String packageName) {
-        return new MediaOutputPanel(context, packageName);
+        // Redirect to new media output dialog
+        context.sendBroadcast(new Intent()
+                .setPackage(MediaOutputSliceConstants.SYSTEMUI_PACKAGE_NAME)
+                .setAction(MediaOutputSliceConstants.ACTION_LAUNCH_MEDIA_OUTPUT_DIALOG)
+                .putExtra(MediaOutputSliceConstants.EXTRA_PACKAGE_NAME, packageName));
+        return null;
     }
 
     private MediaOutputPanel(Context context, String packageName) {

src/com/android/settings/panel/PanelFragment.java

@@ -442,12 +442,14 @@ public class PanelFragment extends Fragment {
         if (mLayoutView != null) {
             mLayoutView.getViewTreeObserver().removeOnGlobalLayoutListener(mPanelLayoutListener);
         }
-        mMetricsProvider.action(
-                0 /* attribution */,
-                SettingsEnums.PAGE_HIDE,
-                mPanel.getMetricsCategory(),
-                mPanelClosedKey,
-                0 /* value */);
+        if (mPanel != null) {
+            mMetricsProvider.action(
+                    0 /* attribution */,
+                    SettingsEnums.PAGE_HIDE,
+                    mPanel.getMetricsCategory(),
+                    mPanelClosedKey,
+                    0 /* value */);
+        }
     }
 
     @VisibleForTesting