diff --git a/core/java/android/net/NetworkStack.java b/core/java/android/net/NetworkStack.java
index dbb3127..19ba6a1 100644
--- a/core/java/android/net/NetworkStack.java
+++ b/core/java/android/net/NetworkStack.java
@@ -23,6 +23,7 @@
 import android.os.IBinder;
 import android.os.ServiceManager;
 
+import com.android.net.flags.Flags;
 import com.android.net.module.util.PermissionUtils;
 /**
  * Constants and utilities for client code communicating with the network stack service.
@@ -103,4 +104,16 @@
             final @NonNull String... otherPermissions) {
         PermissionUtils.enforceNetworkStackPermissionOr(context, otherPermissions);
     }
+
+    /**
+     * Get setting of the "set_data_saver_via_cm" flag.
+     *
+     * @hide
+     */
+    // A workaround for aconfig. Currently, aconfig value read from platform and mainline code can
+    // be inconsistent. To avoid the problem, CTS for mainline code can get the flag value by this
+    // method.
+    public static boolean getDataSaverViaCmFlag() {
+        return Flags.setDataSaverViaCm();
+    }
 }