Do not send AccessibilityEvent if notification is for different user.

Bug: 237540408
Test: BuzzBeepBlinkTest#testA11yCrossUserEventNotSent
Change-Id: I62a875e26e214847ec72ce3c41b4f2fa8e597e07
(cherry picked from commit a367c0a16a9070ed6bee3028ac5bbc967773ee8f)
Merged-In: I62a875e26e214847ec72ce3c41b4f2fa8e597e07

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

diff --git a/services/core/java/com/android/server/notification/NotificationManagerService.java b/services/core/java/com/android/server/notification/NotificationManagerService.java
index 88f5432..3dfbff1 100755
--- a/services/core/java/com/android/server/notification/NotificationManagerService.java
+++ b/services/core/java/com/android/server/notification/NotificationManagerService.java
@@ -7808,7 +7808,8 @@
                 && (record.getSuppressedVisualEffects() & SUPPRESSED_EFFECT_STATUS_BAR) != 0;
         if (!record.isUpdate
                 && record.getImportance() > IMPORTANCE_MIN
-                && !suppressedByDnd) {
+                && !suppressedByDnd
+                && isNotificationForCurrentUser(record)) {
             sendAccessibilityEvent(record);
             sentAccessibilityEvent = true;
         }

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

diff --git a/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java b/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java
index 911fb6a..08c2c6e 100644
--- a/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java
+++ b/services/tests/uiservicestests/src/com/android/server/notification/BuzzBeepBlinkTest.java
@@ -1301,6 +1301,21 @@
     }
 
     @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;
         NotificationRecord r = getLightsNotification();