[automerge] DO NOT MERGE Fix crash related to getting the root of an unattached view 2p: 68cb239bb0

Original change: https://googleplex-android-review.googlesource.com/c/platform/frameworks/base/+/22595180

Change-Id: If21a516435353b1e70ede0fdfafb8656e3258e64

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);