diff --git a/framework-t/api/current.txt b/framework-t/api/current.txt
index e4b211f..86745d4 100644
--- a/framework-t/api/current.txt
+++ b/framework-t/api/current.txt
@@ -1,6 +1,4 @@
 // Signature format: 2.0
-// - add-additional-overrides=no
-// - migrating=Migration in progress see b/299366704
 package android.app.usage {
 
   public final class NetworkStats implements java.lang.AutoCloseable {
diff --git a/framework-t/api/module-lib-current.txt b/framework-t/api/module-lib-current.txt
index fd42a37..5a8d47b 100644
--- a/framework-t/api/module-lib-current.txt
+++ b/framework-t/api/module-lib-current.txt
@@ -1,6 +1,4 @@
 // Signature format: 2.0
-// - add-additional-overrides=no
-// - migrating=Migration in progress see b/299366704
 package android.app.usage {
 
   public class NetworkStatsManager {
diff --git a/framework-t/api/module-lib-removed.txt b/framework-t/api/module-lib-removed.txt
index 14191eb..d802177 100644
--- a/framework-t/api/module-lib-removed.txt
+++ b/framework-t/api/module-lib-removed.txt
@@ -1,3 +1 @@
 // Signature format: 2.0
-// - add-additional-overrides=no
-// - migrating=Migration in progress see b/299366704
diff --git a/framework-t/api/removed.txt b/framework-t/api/removed.txt
index d9d243d..1ba87d8 100644
--- a/framework-t/api/removed.txt
+++ b/framework-t/api/removed.txt
@@ -1,6 +1,4 @@
 // Signature format: 2.0
-// - add-additional-overrides=no
-// - migrating=Migration in progress see b/299366704
 package android.net {
 
   public class TrafficStats {
diff --git a/framework-t/api/system-current.txt b/framework-t/api/system-current.txt
index 9bdb595..f6b5657 100644
--- a/framework-t/api/system-current.txt
+++ b/framework-t/api/system-current.txt
@@ -1,6 +1,4 @@
 // Signature format: 2.0
-// - add-additional-overrides=no
-// - migrating=Migration in progress see b/299366704
 package android.app.usage {
 
   public class NetworkStatsManager {
@@ -307,6 +305,7 @@
     ctor public NetworkStats(long, int);
     method @NonNull public android.net.NetworkStats add(@NonNull android.net.NetworkStats);
     method @NonNull public android.net.NetworkStats addEntry(@NonNull android.net.NetworkStats.Entry);
+    method public android.net.NetworkStats clone();
     method public int describeContents();
     method @NonNull public java.util.Iterator<android.net.NetworkStats.Entry> iterator();
     method @NonNull public android.net.NetworkStats subtract(@NonNull android.net.NetworkStats);
diff --git a/framework-t/api/system-removed.txt b/framework-t/api/system-removed.txt
index 14191eb..d802177 100644
--- a/framework-t/api/system-removed.txt
+++ b/framework-t/api/system-removed.txt
@@ -1,3 +1 @@
 // Signature format: 2.0
-// - add-additional-overrides=no
-// - migrating=Migration in progress see b/299366704