Added a new network capability MMTEL

Added NET_CAPABILITY_MMTEL to indicate a network
support MMTEL (Multimedia telephony). This is for
IMS service to request an IMS network that supports
voice or PS (VoPS for 4G, VoNR for 5G).

Bug: 210774375
Test: atest ConnectivityServiceTest
Change-Id: I38655bef234e86b08ba4dbfd6fcc1634f379ade9
diff --git a/staticlibs/framework/com/android/net/module/util/NetworkCapabilitiesUtils.java b/staticlibs/framework/com/android/net/module/util/NetworkCapabilitiesUtils.java
index 903214e..d5f23b7 100644
--- a/staticlibs/framework/com/android/net/module/util/NetworkCapabilitiesUtils.java
+++ b/staticlibs/framework/com/android/net/module/util/NetworkCapabilitiesUtils.java
@@ -25,6 +25,7 @@
 import static android.net.NetworkCapabilities.NET_CAPABILITY_INTERNET;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_MCX;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_MMS;
+import static android.net.NetworkCapabilities.NET_CAPABILITY_MMTEL;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_OEM_PAID;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_RCS;
 import static android.net.NetworkCapabilities.NET_CAPABILITY_SUPL;
@@ -129,7 +130,8 @@
             | (1 << NET_CAPABILITY_RCS)
             | (1 << NET_CAPABILITY_VEHICLE_INTERNAL)
             | (1 << NET_CAPABILITY_VSIM)
-            | (1 << NET_CAPABILITY_XCAP);
+            | (1 << NET_CAPABILITY_XCAP)
+            | (1L << NET_CAPABILITY_MMTEL);
 
     /**
      * Capabilities that force network to be restricted.