Merge "DO NOT MERGE Fix crash related to getting the root of an unattached view" into tm-qpr-dev

packages/SystemUI/src/com/android/systemui/touch/TouchInsetManager.java

@@ -90,6 +90,9 @@ public class TouchInsetManager {
             final Region cumulativeRegion = Region.obtain();
 
             mTrackedViews.stream().forEach(view -> {
+                if (!view.isAttachedToWindow()) {
+                    return;
+                }
                 final Rect boundaries = new Rect();
                 view.getDrawingRect(boundaries);
                 ((ViewGroup) view.getRootView()).offsetDescendantRectToMyCoords(view, boundaries);