Clear WidgetCell#mItem before recylcing a WidgetCell

This fixes a bug which reuses a previous widget item spans to
compute the preview size.

Fix: 193133048
Test: manual
Change-Id: I5459882e258dc010898854dbbe52a6fa8d84796c

parent 277eb6fe

src/com/android/launcher3/widget/WidgetCell.java

+1 −0

Original line number	Diff line number	Diff line
		@@ -177,6 +177,7 @@ public class WidgetCell extends LinearLayout implements OnLayoutChangeListener {
		mWidgetImageContainer.removeView(mAppWidgetHostViewPreview);
		}
		mAppWidgetHostViewPreview = null;
		mItem = null;
		}

		public void setSourceContainer(int sourceContainer) {