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 d0437b32cbd05ac0c867eef5194e269c70ecfdef..9c80c260231fb94397b1cf98d02feff48a3ae6a9 100644
--- a/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
+++ b/components/cronet/android/test/src/org/chromium/net/NativeTestServer.java
@@ -91,6 +91,10 @@ public final class NativeTestServer {
         return nativeGetFileURL("/notfound.html");
     }
 
+    public static String getHostPort() {
+        return nativeGetHostPort();
+    }
+
     @CalledByNative
     private static void onHostResolverProcRegistered() {
         sHostResolverBlock.open();
@@ -107,4 +111,5 @@ public final class NativeTestServer {
     private static native String nativeGetRedirectToEchoBody();
     private static native String nativeGetFileURL(String filePath);
     private static native String nativeGetSdchURL();
+    private static native String nativeGetHostPort();
 }