Add Data Saver support to Cronet

components/cronet/android/test/src/org/chromium/net/NativeTestServer.java

Index: components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
diff --git a/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java b/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
index 08406ea6142cac7cf60e0f6f453d16def92a2240..ddc1e849cdedcae2c0af03482a592c9937a3601d 100644
--- a/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
+++ b/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
@@ -47,6 +47,10 @@ public final class NativeTestServer {
         return nativeGetFileURL(filePath);
     }
 
+    public static String getHostPort() {
+        return nativeGetHostPort();
+    }
+
     private static native boolean nativeStartNativeTestServer(String filePath);
     private static native void nativeShutdownNativeTestServer();
     private static native String nativeGetEchoBodyURL();
@@ -55,4 +59,5 @@ public final class NativeTestServer {
     private static native String nativeGetEchoMethodURL();
     private static native String nativeGetRedirectToEchoBody();
     private static native String nativeGetFileURL(String filePath);
+    private static native String nativeGetHostPort();
 }