Add @Nullable annotations to Task fields

Bug: 205828770
Test: m SystemUI-core
Change-Id: I80194b9959b9be3b87d2f074557f4e79f164ceca
(cherry picked from commit 11ae0987c2c98579617351b1a2ec6e0d10978684)

1 files changed, 3 insertions, 6 deletions

diff --git a/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java b/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java
index 3f2ff742d072..3128ffdbc67b 100644
--- a/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java
+++ b/packages/SystemUI/shared/src/com/android/systemui/shared/recents/model/Task.java
@@ -23,17 +23,14 @@ import android.app.ActivityManager.TaskDescription;
 import android.app.TaskInfo;
 import android.content.ComponentName;
 import android.content.Intent;
-import android.content.pm.ActivityInfo;
-import android.graphics.Color;
 import android.graphics.drawable.Drawable;
 import android.os.Parcel;
 import android.os.Parcelable;
 import android.view.ViewDebug;
 
-import com.android.systemui.shared.recents.utilities.Utilities;
+import androidx.annotation.Nullable;
 
 import java.io.PrintWriter;
-import java.util.ArrayList;
 import java.util.Objects;
 
 /**
@@ -202,8 +199,8 @@ public class Task {
      * The icon is the task description icon (if provided), which falls back to the activity icon,
      * which can then fall back to the application icon.
      */
-    public Drawable icon;
-    public ThumbnailData thumbnail;
+    @Nullable public Drawable icon;
+    @Nullable public ThumbnailData thumbnail;
     @ViewDebug.ExportedProperty(category="recents")
     @Deprecated
     public String title;