Revert of [Cronet] Get Cronet performance test running again

components/cronet/android/test/src_dummy/org/chromium/net/test/dummy/Dummy.java

Index: components/cronet/android/test/src_dummy/org/chromium/net/test/dummy/Dummy.java
diff --git a/components/cronet/android/test/src_dummy/org/chromium/net/test/dummy/Dummy.java b/components/cronet/android/test/src_dummy/org/chromium/net/test/dummy/Dummy.java
deleted file mode 100644
index 2ae73cd650dbb636ec7ebbfe3939c6161f582a8b..0000000000000000000000000000000000000000
--- a/components/cronet/android/test/src_dummy/org/chromium/net/test/dummy/Dummy.java
+++ /dev/null
@@ -1,11 +0,0 @@
-// Copyright 2015 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-package org.chromium.net.test.dummy;
-
-/**
- * Does nothing.
- * TODO(newt): Delete after the switch to GN. This is only used in GYP.
- */
-class Dummy {}