Added network service interface

The interface for mobile network service. This is the base class
for vendor or first party data service provider to implement
the network service for cellular or IWLAN network support.

Test: Manual
bug: 64132030
Change-Id: Ia358cbb18fc6d15dcc45c75f14b7c952f899e101
diff --git a/Android.bp b/Android.bp
index 4d78112..6712461 100644
--- a/Android.bp
+++ b/Android.bp
@@ -473,6 +473,8 @@
         "telephony/java/android/telephony/mbms/IStreamingServiceCallback.aidl",
         "telephony/java/android/telephony/mbms/vendor/IMbmsDownloadService.aidl",
         "telephony/java/android/telephony/mbms/vendor/IMbmsStreamingService.aidl",
+        "telephony/java/android/telephony/INetworkService.aidl",
+        "telephony/java/android/telephony/INetworkServiceCallback.aidl",
         "telephony/java/com/android/ims/internal/IImsCallSession.aidl",
         "telephony/java/com/android/ims/internal/IImsCallSessionListener.aidl",
         "telephony/java/com/android/ims/internal/IImsConfig.aidl",