Create a copy of the original list instead of a new view

unmodifiableList is backed up by the original list and is not suitable
to passing to different thead.

Bug: 162518472
Change-Id: I71774ced89d64acc7176269e107cfcf47627f7c4

parent 1e2602ce

src/com/android/launcher3/model/BgDataModel.java

+1 −1

Original line number	Diff line number	Diff line
		@@ -422,7 +422,7 @@ public class BgDataModel {

		@Override
		public FixedContainerItems clone() {
		return new FixedContainerItems(containerId, Collections.unmodifiableList(items));
		return new FixedContainerItems(containerId, new ArrayList<>(items));
		}
		}