register callback to pull NetworkBpfMapInfo atom

Test: statsd_testdrive 10161, atest BpfNetMaps
Bug: 217624062
Bug: 245228691

Change-Id: I630a86cb5a34aaa1810eb75b374588dba570f0ff

service/src/com/android/server/ConnectivityService.java

@@ -3040,6 +3040,11 @@ public class ConnectivityService extends IConnectivityManager.Stub
         if (!ConnectivitySettingsManager.getMobileDataPreferredUids(mContext).isEmpty()) {
             updateMobileDataPreferredUids();
         }
+
+        // On T+ devices, register callback for statsd to pull NETWORK_BPF_MAP_INFO atom
+        if (SdkLevel.isAtLeastT()) {
+            mBpfNetMaps.setPullAtomCallback(mContext);
+        }
     }
 
     /**