Messaging: Remove unused code

Change-Id: I8093bb3e305ae323f7069bf42f9e83f8c8647cc7

src/com/android/messaging/ui/conversationlist/ConversationListFragment.java

@@ -36,7 +36,6 @@ import android.widget.AbsListView;
 import android.widget.ImageView;
 
 import androidx.annotation.NonNull;
-import androidx.core.view.ViewCompat;
 import androidx.core.view.ViewGroupCompat;
 import androidx.fragment.app.Fragment;
 import androidx.loader.app.LoaderManager;
@@ -51,7 +50,6 @@ import com.android.messaging.datamodel.binding.BindingBase;
 import com.android.messaging.datamodel.data.ConversationListData;
 import com.android.messaging.datamodel.data.ConversationListData.ConversationListDataListener;
 import com.android.messaging.datamodel.data.ConversationListItemData;
-import com.android.messaging.ui.BugleAnimationTags;
 import com.android.messaging.ui.ListEmptyView;
 import com.android.messaging.ui.SnackBarInteraction;
 import com.android.messaging.ui.UIIntents;
@@ -232,7 +230,6 @@ public class ConversationListFragment extends Fragment implements ConversationLi
             mStartNewConversationButton.setOnClickListener(clickView ->
                     mHost.onCreateConversationClick());
         }
-        ViewCompat.setTransitionName(mStartNewConversationButton, BugleAnimationTags.TAG_FABICON);
 
         // The root view has a non-null background, which by default is deemed by the framework
         // to be a "transition group," where all child views are animated together during an
@@ -417,15 +414,6 @@ public class ConversationListFragment extends Fragment implements ConversationLi
         });
     }
 
-    public View getHeroElementForTransition() {
-        return mArchiveMode ? null : mStartNewConversationButton;
-    }
-
-    @VisibleForAnimation
-    public RecyclerView getRecyclerView() {
-        return mRecyclerView;
-    }
-
     @Override
     public void startFullScreenPhotoViewer(
             final Uri initialPhoto, final Rect initialPhotoBounds, final Uri photosUri) {

src/com/android/messaging/ui/conversationlist/ConversationListItemView.java

@@ -79,8 +79,6 @@ public class ConversationListItemView extends FrameLayout implements OnClickList
     private static String sPlusOneString;
     private static String sPlusNString;
 
-    private static final int SWIPE_DIRECTION_RIGHT = 2;
-
     public interface HostInterface {
         boolean isConversationSelected(final String conversationId);
         void onConversationClicked(final ConversationListItemData conversationListItemData,