diff --git a/core/api/module-lib-current.txt b/core/api/module-lib-current.txt
index 3b7a617f2e16e..fe8b9d6e4fa01 100644
--- a/core/api/module-lib-current.txt
+++ b/core/api/module-lib-current.txt
@@ -23,6 +23,7 @@ package android.app.usage {
 package android.content {
 
   public abstract class Context {
+    field public static final String PAC_PROXY_SERVICE = "pac_proxy";
     field public static final String TEST_NETWORK_SERVICE = "test_network";
   }
 
diff --git a/core/java/android/content/Context.java b/core/java/android/content/Context.java
index fe9ed27a516fb..4293ab0b7f25c 100644
--- a/core/java/android/content/Context.java
+++ b/core/java/android/content/Context.java
@@ -4026,6 +4026,7 @@ public abstract class Context {
      * @see android.net.PacProxyManager
      * @hide
      */
+    @SystemApi(client = SystemApi.Client.MODULE_LIBRARIES)
     public static final String PAC_PROXY_SERVICE = "pac_proxy";
 
     /**