diff --git a/service-t/Sources.bp b/service-t/Sources.bp
index c3049da..502c56a 100644
--- a/service-t/Sources.bp
+++ b/service-t/Sources.bp
@@ -88,7 +88,6 @@
     name: "services.connectivity-tiramisu-sources",
     srcs: [
         ":services.connectivity-ethernet-sources",
-        ":services.connectivity-netstats-sources",
     ],
     path: "src",
     visibility: ["//frameworks/base/services/core"],
@@ -98,6 +97,7 @@
     name: "services.connectivity-tiramisu-updatable-sources",
     srcs: [
         ":services.connectivity-ipsec-sources",
+        ":services.connectivity-netstats-sources",
         ":services.connectivity-nsd-sources",
     ],
     path: "src",
diff --git a/service-t/src/com/android/server/net/NetworkStatsRecorder.java b/service-t/src/com/android/server/net/NetworkStatsRecorder.java
index c371f08..a006cd5 100644
--- a/service-t/src/com/android/server/net/NetworkStatsRecorder.java
+++ b/service-t/src/com/android/server/net/NetworkStatsRecorder.java
@@ -471,9 +471,11 @@
     public void dumpDebugLocked(ProtoOutputStream proto, long tag) {
         final long start = proto.start(tag);
         if (mPending != null) {
-            proto.write(NetworkStatsRecorderProto.PENDING_TOTAL_BYTES, mPending.getTotalBytes());
+            proto.write(NetworkStatsRecorderProto.PENDING_TOTAL_BYTES_FIELD_NUMBER,
+                    mPending.getTotalBytes());
         }
-        getOrLoadCompleteLocked().dumpDebug(proto, NetworkStatsRecorderProto.COMPLETE_HISTORY);
+        getOrLoadCompleteLocked().dumpDebug(proto,
+                NetworkStatsRecorderProto.COMPLETE_HISTORY_FIELD_NUMBER);
         proto.end(start);
     }
 
diff --git a/service-t/src/com/android/server/net/NetworkStatsService.java b/service-t/src/com/android/server/net/NetworkStatsService.java
index eeb56d0..c441c81 100644
--- a/service-t/src/com/android/server/net/NetworkStatsService.java
+++ b/service-t/src/com/android/server/net/NetworkStatsService.java
@@ -63,6 +63,7 @@
 
 import android.annotation.NonNull;
 import android.annotation.Nullable;
+import android.annotation.TargetApi;
 import android.app.AlarmManager;
 import android.app.PendingIntent;
 import android.app.usage.NetworkStatsManager;
@@ -103,6 +104,7 @@
 import android.net.netstats.provider.INetworkStatsProviderCallback;
 import android.net.netstats.provider.NetworkStatsProvider;
 import android.os.Binder;
+import android.os.Build;
 import android.os.DropBoxManager;
 import android.os.Environment;
 import android.os.Handler;
@@ -169,6 +171,7 @@
  * Collect and persist detailed network statistics, and provide this data to
  * other system services.
  */
+@TargetApi(Build.VERSION_CODES.TIRAMISU)
 public class NetworkStatsService extends INetworkStatsService.Stub {
     static final String TAG = "NetworkStats";
     static final boolean LOGD = Log.isLoggable(TAG, Log.DEBUG);
@@ -2114,12 +2117,15 @@
 
         // TODO Right now it writes all history.  Should it limit to the "since-boot" log?
 
-        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_INTERFACES, mActiveIfaces);
-        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_UID_INTERFACES, mActiveUidIfaces);
-        mDevRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.DEV_STATS);
-        mXtRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.XT_STATS);
-        mUidRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.UID_STATS);
-        mUidTagRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.UID_TAG_STATS);
+        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_INTERFACES_FIELD_NUMBER,
+                mActiveIfaces);
+        dumpInterfaces(proto, NetworkStatsServiceDumpProto.ACTIVE_UID_INTERFACES_FIELD_NUMBER,
+                mActiveUidIfaces);
+        mDevRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.DEV_STATS_FIELD_NUMBER);
+        mXtRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.XT_STATS_FIELD_NUMBER);
+        mUidRecorder.dumpDebugLocked(proto, NetworkStatsServiceDumpProto.UID_STATS_FIELD_NUMBER);
+        mUidTagRecorder.dumpDebugLocked(proto,
+                NetworkStatsServiceDumpProto.UID_TAG_STATS_FIELD_NUMBER);
 
         proto.flush();
     }
@@ -2129,8 +2135,8 @@
         for (int i = 0; i < ifaces.size(); i++) {
             final long start = proto.start(tag);
 
-            proto.write(NetworkInterfaceProto.INTERFACE, ifaces.keyAt(i));
-            ifaces.valueAt(i).dumpDebug(proto, NetworkInterfaceProto.IDENTITIES);
+            proto.write(NetworkInterfaceProto.INTERFACE_FIELD_NUMBER, ifaces.keyAt(i));
+            ifaces.valueAt(i).dumpDebug(proto, NetworkInterfaceProto.IDENTITIES_FIELD_NUMBER);
 
             proto.end(start);
         }
diff --git a/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java b/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
index 5bba0b1..65ccd20 100644
--- a/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
+++ b/service-t/src/com/android/server/net/NetworkStatsSubscriptionsMonitor.java
@@ -23,7 +23,9 @@
 import static android.telephony.TelephonyManager.NETWORK_TYPE_LTE;
 
 import android.annotation.NonNull;
+import android.annotation.TargetApi;
 import android.content.Context;
+import android.os.Build;
 import android.telephony.SubscriptionManager;
 import android.telephony.TelephonyCallback;
 import android.telephony.TelephonyDisplayInfo;
@@ -43,6 +45,7 @@
 /**
  * Helper class that watches for events that are triggered per subscription.
  */
+@TargetApi(Build.VERSION_CODES.TIRAMISU)
 public class NetworkStatsSubscriptionsMonitor extends
         SubscriptionManager.OnSubscriptionsChangedListener {