Replace PendingIntent @hide APIs

Connectivity service module is using some PendingIntent @hide
APIs but they are not able to call after CS becomes a mainline
module. Thus, replace them with similar System APIs.

Bug: 170593746
Test: atest FrameworksNetTests
      Manually test notifications can show normally.
Change-Id: I92ab7216f5fd46d449b6d8f80d3441f8966ac890
diff --git a/services/core/java/com/android/server/ConnectivityService.java b/services/core/java/com/android/server/ConnectivityService.java
index 8a1baf2..7729cf2 100644
--- a/services/core/java/com/android/server/ConnectivityService.java
+++ b/services/core/java/com/android/server/ConnectivityService.java
@@ -3998,13 +3998,11 @@
                     settingsPkgName + ".wifi.WifiNoInternetDialog");
         }
 
-        PendingIntent pendingIntent = PendingIntent.getActivityAsUser(
-                mContext,
+        PendingIntent pendingIntent = PendingIntent.getActivity(
+                mContext.createContextAsUser(UserHandle.CURRENT, 0 /* flags */),
                 0 /* requestCode */,
                 intent,
-                PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_IMMUTABLE,
-                null /* options */,
-                UserHandle.CURRENT);
+                PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_IMMUTABLE);
 
         mNotifier.showNotification(nai.network.netId, type, nai, null, pendingIntent, highPriority);
     }
diff --git a/services/core/java/com/android/server/connectivity/LingerMonitor.java b/services/core/java/com/android/server/connectivity/LingerMonitor.java
index 7fdc7a0..f99f4c6 100644
--- a/services/core/java/com/android/server/connectivity/LingerMonitor.java
+++ b/services/core/java/com/android/server/connectivity/LingerMonitor.java
@@ -159,9 +159,11 @@
 
     @VisibleForTesting
     protected PendingIntent createNotificationIntent() {
-        return PendingIntent.getActivityAsUser(mContext, 0 /* requestCode */, CELLULAR_SETTINGS,
-                PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_IMMUTABLE,
-                null /* options */, UserHandle.CURRENT);
+        return PendingIntent.getActivity(
+                mContext.createContextAsUser(UserHandle.CURRENT, 0 /* flags */),
+                0 /* requestCode */,
+                CELLULAR_SETTINGS,
+                PendingIntent.FLAG_CANCEL_CURRENT | PendingIntent.FLAG_IMMUTABLE);
     }
 
     // Removes any notification that was put up as a result of switching to nai.