Do not send AccessibilityEvent if notification is for different user.

Bug: 237540408
Test: BuzzBeepBlinkTest#testA11yCrossUserEventNotSent
Change-Id: I62a875e26e214847ec72ce3c41b4f2fa8e597e07
Merged-In: I62a875e26e214847ec72ce3c41b4f2fa8e597e07

services/core/java/com/android/server/notification/NotificationManagerService.java

@@ -5922,7 +5922,8 @@ public class NotificationManagerService extends SystemService {
         boolean sentAccessibilityEvent = false;
         // If the notification will appear in the status bar, it should send an accessibility
         // event
-        if (!record.isUpdate && record.getImportance() > IMPORTANCE_MIN) {
+        if (!record.isUpdate && record.getImportance() > IMPORTANCE_MIN
+                && isNotificationForCurrentUser(record)) {
             sendAccessibilityEvent(record);
             sentAccessibilityEvent = true;
         }

services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java

@@ -1220,6 +1220,21 @@ public class BuzzBeepBlinkTest extends UiServiceTestCase {
         verify(mAccessibilityService, times(1)).sendAccessibilityEvent(any(), anyInt());
     }
 
+    @Test
+    public void testA11yCrossUserEventNotSent() throws Exception {
+        final Notification n = new Builder(getContext(), "test")
+                .setSmallIcon(android.R.drawable.sym_def_app_icon).build();
+        int userId = mUser.getIdentifier() + 1;
+        StatusBarNotification sbn = new StatusBarNotification(mPkg, mPkg, 0, mTag, mUid,
+                mPid, n, UserHandle.of(userId), null, System.currentTimeMillis());
+        NotificationRecord r = new NotificationRecord(getContext(), sbn,
+                new NotificationChannel("test", "test", IMPORTANCE_HIGH));
+
+        mService.buzzBeepBlinkLocked(r);
+
+        verify(mAccessibilityService, never()).sendAccessibilityEvent(any(), anyInt());
+    }
+
     @Test
     public void testLightsScreenOn() {
         mService.mScreenOn = true;