Move gtest_prod_util.h out of webrtc/test tree.

webrtc/test/BUILD.gn

 # Copyright (c) 2014 The WebRTC project authors. All Rights Reserved.
 #
 # Use of this source code is governed by a BSD-style license
 # that can be found in the LICENSE file in the root of the source
 # tree. An additional intellectual property rights grant can be found
 # in the file PATENTS.  All contributing project authors may
 # be found in the AUTHORS file in the root of the source tree.
 
 # TODO(kjellander): Convert the rest of the test.gyp targets and put here.
 
@@ skipping 52 matching lines @@
     "testsupport/mock/mock_frame_writer.h",
     "testsupport/packet_reader.cc",
     "testsupport/packet_reader.h",
     "testsupport/perf_test.cc",
     "testsupport/perf_test.h",
     "testsupport/trace_to_stderr.cc",
     "testsupport/trace_to_stderr.h",
   ]
 
   deps = [
-    "..:gtest_prod",
+    "../base:gtest_prod",
     "../system_wrappers",
     "//testing/gmock",
     "//testing/gtest",
   ]
 
   if (is_android) {
     deps += [ "//base:base" ]
   }
 
   configs += [ "..:common_config" ]
@@ skipping 14 matching lines @@
     ":histogram",
     ":test_support",
     "//testing/gmock",
     "//testing/gtest",
     "//third_party/gflags",
   ]
 
   configs += [ "..:common_config" ]
   public_configs = [ "..:common_inherited_config" ]
 }