Add notification delay for when the user needs cannot

register to a network and needs to be notified. Merged from NYC.

BUG: 28572539
Test: n/a
Change-Id: I4eae9bacda9c159446f75f5bee73659af960e1a7

telephony/java/android/telephony/CarrierConfigManager.java

@@ -1130,6 +1130,14 @@ public class CarrierConfigManager {
      */
     public static final String KEY_CARRIER_WIFI_STRING_ARRAY = "carrier_wifi_string_array";
 
+    /**
+     * Time delay (in ms) after which we show the notification to switch the preferred
+     * network.
+     * @hide
+     */
+    public static final String KEY_PREF_NETWORK_NOTIFICATION_DELAY_INT =
+            "network_notification_delay_int";
+
     /** The default value for every variable. */
     private final static PersistableBundle sDefaults;
 
@@ -1331,6 +1339,7 @@ public class CarrierConfigManager {
         sDefaults.putBoolean(KEY_STK_DISABLE_LAUNCH_BROWSER_BOOL, false);
         sDefaults.putBoolean(KEY_PERSIST_LPP_MODE_BOOL, false);
         sDefaults.putStringArray(KEY_CARRIER_WIFI_STRING_ARRAY, null);
+        sDefaults.putInt(KEY_PREF_NETWORK_NOTIFICATION_DELAY_INT, -1);
     }
 
     /**