Provide link to android experimental flags API

Add function to link to android experiemental flags API

Bug: 120013793
Test: Build and atest NetworkStackTests
Change-Id: I14b9a6f06f841a9d63e8c1954907447a9e7eb8a5

1 files changed, 16 insertions, 0 deletions

diff --git a/src/android/net/util/NetworkStackUtils.java b/src/android/net/util/NetworkStackUtils.java
index fedb8d1..670563c 100644
--- a/src/android/net/util/NetworkStackUtils.java
+++ b/src/android/net/util/NetworkStackUtils.java
@@ -17,6 +17,7 @@
 package android.net.util;
 
 import android.annotation.NonNull;
+import android.annotation.Nullable;
 import android.util.SparseArray;
 
 import java.io.FileDescriptor;
@@ -81,4 +82,19 @@ public class NetworkStackUtils {
         }
         return false;
     }
+
+    /**
+     * Look up the value of a property for a particular namespace from {@link DeviceConfig}.
+     * @param namespace The namespace containing the property to look up.
+     * @param name The name of the property to look up.
+     * @param defaultValue The value to return if the property does not exist or has no non-null
+     *                     value.
+     * @return the corresponding value, or defaultValue if none exists.
+     */
+    @Nullable
+    public static String getDeviceConfigProperty(@NonNull String namespace, @NonNull String name,
+            @Nullable String defaultValue) {
+        // TODO: Link to DeviceConfig API once it is ready.
+        return defaultValue;
+    }
 }