Refresh overlay on new snapshot taken even if an old snapshot exists

Bug: 302041971
Test: Manual checking of overlay refreshes in bug repro case - live tile and select
Test: Manual checking of no additional overlay refreshes on non-live tile select
Test: Manually ensured no additional overlay refreshes while scrolling
Test: presubmit
Flag: EXEMPT bugfix
Change-Id: I5d455560d0bf816f86042078a662f06f5d1397bb
diff --git a/quickstep/src/com/android/quickstep/views/TaskThumbnailViewDeprecated.java b/quickstep/src/com/android/quickstep/views/TaskThumbnailViewDeprecated.java
index 447002f..4283d0e 100644
--- a/quickstep/src/com/android/quickstep/views/TaskThumbnailViewDeprecated.java
+++ b/quickstep/src/com/android/quickstep/views/TaskThumbnailViewDeprecated.java
@@ -61,6 +61,8 @@
 import com.android.systemui.shared.recents.model.ThumbnailData;
 import com.android.systemui.shared.recents.utilities.PreviewPositionHelper;
 
+import java.util.Objects;
+
 /**
  * A task in the Recents view.
  *
@@ -222,14 +224,16 @@
     public void setThumbnail(@Nullable Task task, @Nullable ThumbnailData thumbnailData,
             boolean refreshNow) {
         mTask = task;
-        boolean thumbnailWasNull = mThumbnailData == null;
+        ThumbnailData oldThumbnailData = mThumbnailData;
         mThumbnailData = (thumbnailData != null && thumbnailData.getThumbnail() != null)
                 ? thumbnailData : null;
         if (mTask != null) {
             updateSplashView(mTask.icon);
         }
         if (refreshNow) {
-            refresh(thumbnailWasNull && mThumbnailData != null);
+            Long oldSnapshotId = oldThumbnailData != null ? oldThumbnailData.getSnapshotId() : null;
+            Long snapshotId = mThumbnailData != null ? mThumbnailData.getSnapshotId() : null;
+            refresh(snapshotId != null && !Objects.equals(oldSnapshotId, snapshotId));
         }
     }