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..5aabe77f1dab01c1d6d7444cf1954e3ade4d326f 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 int getPort() {
+        return nativeGetPort();
+    }
+
     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 int nativeGetPort();
 }