Bound progress to 0 to 1

Test: Swipe up far to overview, ensure corners stay rounded throughout
Change-Id: Ie8694237586dad3d2f3605d2a395f1079c9cebc1

quickstep/recents_ui_overrides/src/com/android/quickstep/util/AppWindowAnimationHelper.java

@@ -169,7 +169,7 @@ public class AppWindowAnimationHelper {
             return null;
         }
 
-        float progress = params.progress;
+        float progress = Utilities.boundToRange(params.progress, 0, 1);
         updateCurrentRect(params);
 
         SurfaceParams[] surfaceParams = new SurfaceParams[params.targetSet.unfilteredApps.length];