Remove empty desktop tile

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<vector xmlns:android="http://schemas.android.com/apk/res/android"

    android:width="92dp"

    android:height="80dp"

    android:tint="?android:attr/textColorPrimary"

    android:viewportHeight="80.0"

    android:viewportWidth="92.0">

    <path

        android:fillColor="#AAFFFFFF"

        android:pathData="M 14.365954,80 Q 10.981668,80 8.4908345,77.509166 6,75.018332 6,71.634046 V 36.193807 q 0,-3.384286 2.4908345,-5.87512 2.4908335,-2.493091 5.8751195,-2.493091 H 22.35738 V 8.365954 q 0,-3.3842855 2.538217,-5.8751198 Q 27.433811,0 30.723337,0 h 46.910711 q 3.479041,0 5.969878,2.4908342 2.490834,2.4908343 2.490834,5.8751198 v 35.442495 q 0,3.384286 -2.490834,5.87512 -2.490837,2.490835 -5.969878,2.490835 h -7.896671 v 19.459642 q 0,3.384286 -2.49083,5.87512 Q 64.755713,80 61.371423,80 Z m 0,-8.365954 h 47.005469 q 0,0 0,0 0,0 0,0 V 43.526426 H 14.365954 v 28.10762 q 0,0 0,0 0,0 0,0 z M 69.737377,43.808449 h 7.896671 q 0,0 0,0 0,0 0,0 V 15.698573 H 30.723337 v 12.127023 h 30.740592 q 3.479048,0 5.877376,2.445711 2.396072,2.443454 2.396072,5.82774 z" />

</vector>

        android:layout_width="match_parent"

        android:layout_height="match_parent" />

    <TextView

        android:id="@+id/empty_view"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:layout_gravity="center"

        android:layout_marginTop="@dimen/overview_task_margin"

        android:drawablePadding="@dimen/recents_empty_message_text_padding"

        android:text="@string/recents_empty_desktop_message"

        android:textColor="?android:textColorPrimary"

        android:textSize="@dimen/recents_empty_message_text_size"

        android:drawableTop="@drawable/ic_empty_desktop"

        android:drawableTint="?android:attr/textColorPrimary" />

    <!--

         TODO(b249371338): DesktopTaskView extends from TaskView. TaskView expects TaskThumbnailView

         and IconView with these ids to be present. Need to refactor RecentsView to accept child

    <!-- Recents: The empty recents string. [CHAR LIMIT=NONE] -->

    <string name="recents_empty_message">No recent items</string>

    <!-- Recents: The empty recents desktop tile string. [CHAR LIMIT=NONE] -->

    <string name="recents_empty_desktop_message">No desktop items</string>

    <!-- Content description for the recent apps's accessibility option that opens its usage settings. [CHAR LIMIT=NONE] -->

    <string name="accessibility_app_usage_settings">App usage settings</string>

package com.android.quickstep.util;

import androidx.annotation.NonNull;

import com.android.quickstep.views.TaskView;

import com.android.systemui.shared.recents.model.Task;

 */

public class DesktopTask extends GroupTask {

    public ArrayList<Task> tasks;

    @NonNull

    public final ArrayList<Task> tasks;

    public DesktopTask(ArrayList<Task> tasks) {

    public DesktopTask(@NonNull ArrayList<Task> tasks) {

        super(tasks.get(0), null, null, TaskView.Type.DESKTOP);

        this.tasks = tasks;

    }

    private final ArrayList<CancellableTask<?>> mPendingThumbnailRequests = new ArrayList<>();

    private View mBackgroundView;

    private View mEmptyView;

    public DesktopTaskView(Context context) {

        this(context, null);

        super.onFinishInflate();

        mBackgroundView = findViewById(R.id.background);

        mEmptyView = findViewById(R.id.empty_view);

        int topMarginPx =

                mActivity.getDeviceProfile().overviewTaskThumbnailTopMarginPx;

            mSnapshotViewMap.put(task.key.id, snapshotView);

        }

        mEmptyView.setVisibility(mTasks.isEmpty() ? View.VISIBLE : View.GONE);

        updateTaskIdContainer();

        updateTaskIdAttributeContainer();