Resets mTransitionTime in clear().

This field was added in
commit 630a657d98

Fix: 271455597
Change-Id: I78a2411dd4f94401c5c105236dd76e794806a322

core/java/android/view/accessibility/AccessibilityWindowInfo.java

@@ -839,6 +839,7 @@ public final class AccessibilityWindowInfo implements Parcelable {
         mConnectionId = UNDEFINED_WINDOW_ID;
         mAnchorId = AccessibilityNodeInfo.UNDEFINED_NODE_ID;
         mTitle = null;
+        mTransitionTime = 0;
     }
 
     /**