Merge "Protect MotionEvent stream when a11y changes." into nyc-dev
diff --git a/services/accessibility/java/com/android/server/accessibility/AccessibilityInputFilter.java b/services/accessibility/java/com/android/server/accessibility/AccessibilityInputFilter.java
index 3335315..3e7466f 100644
--- a/services/accessibility/java/com/android/server/accessibility/AccessibilityInputFilter.java
+++ b/services/accessibility/java/com/android/server/accessibility/AccessibilityInputFilter.java
@@ -275,6 +275,9 @@
 
     private void processBatchedEvents(long frameNanos) {
         MotionEventHolder current = mEventQueue;
+        if (current == null) {
+            return;
+        }
         while (current.next != null) {
             current = current.next;
         }
@@ -403,6 +406,9 @@
     }
 
     private void disableFeatures() {
+        // Give the features a chance to process any batched events so we'll keep a consistent
+        // event stream
+        processBatchedEvents(Long.MAX_VALUE);
         if (mMotionEventInjector != null) {
             mAms.setMotionEventInjector(null);
             mMotionEventInjector.onDestroy();