polish the notification of the default carrier app

Based on the feedbacks from UX review
- modified notificaiton icon
- modified notification content text
- modified notification app name
- modified notification color

Test: Manual
Bug: 36002256
Change-Id: Icf13ea41fc88fb7b15f2b1c29fd3551fd3351819
diff --git a/packages/CarrierDefaultApp/AndroidManifest.xml b/packages/CarrierDefaultApp/AndroidManifest.xml
index d910920..0c3cc17 100644
--- a/packages/CarrierDefaultApp/AndroidManifest.xml
+++ b/packages/CarrierDefaultApp/AndroidManifest.xml
@@ -27,6 +27,7 @@
     <uses-permission android:name="android.permission.READ_PHONE_STATE" />
     <uses-permission android:name="android.permission.CONNECTIVITY_USE_RESTRICTED_NETWORKS" />
     <uses-permission android:name="android.permission.SYSTEM_ALERT_WINDOW" />
+    <uses-permission android:name="android.permission.SUBSTITUTE_NOTIFICATION_APP_NAME" />
 
     <application android:label="@string/app_name" >
         <receiver android:name="com.android.carrierdefaultapp.CarrierDefaultBroadcastReceiver">