Merge "Revert "Pivot network statistics to use DataInput/Output.""
diff --git a/framework-t/src/android/net/IpSecManager.java b/framework-t/src/android/net/IpSecManager.java
index 0d15dff..49aa99b 100644
--- a/framework-t/src/android/net/IpSecManager.java
+++ b/framework-t/src/android/net/IpSecManager.java
@@ -17,6 +17,7 @@
 
 import static android.annotation.SystemApi.Client.MODULE_LIBRARIES;
 
+import android.annotation.IntDef;
 import android.annotation.NonNull;
 import android.annotation.RequiresFeature;
 import android.annotation.RequiresPermission;
@@ -25,7 +26,6 @@
 import android.annotation.TestApi;
 import android.content.Context;
 import android.content.pm.PackageManager;
-import android.net.annotations.PolicyDirection;
 import android.os.Binder;
 import android.os.ParcelFileDescriptor;
 import android.os.RemoteException;
@@ -41,6 +41,8 @@
 
 import java.io.FileDescriptor;
 import java.io.IOException;
+import java.lang.annotation.Retention;
+import java.lang.annotation.RetentionPolicy;
 import java.net.DatagramSocket;
 import java.net.InetAddress;
 import java.net.Socket;
@@ -88,6 +90,11 @@
     @SystemApi(client = MODULE_LIBRARIES)
     public static final int DIRECTION_FWD = 2;
 
+    /** @hide */
+    @IntDef(value = {DIRECTION_IN, DIRECTION_OUT})
+    @Retention(RetentionPolicy.SOURCE)
+    public @interface PolicyDirection {}
+
     /**
      * The Security Parameter Index (SPI) 0 indicates an unknown or invalid index.
      *