GN: Fix test_support_unittests and MIPS compile issue.

webrtc/modules/video_coding/codecs/tools/video_codecs_tools.gypi

 # Copyright (c) 2012 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.
 
 {
   'conditions': [
     ['include_tests==1', {
       'targets': [
         {
           'target_name': 'video_quality_measurement',
           'type': 'executable',
           'dependencies': [
             'video_codecs_test_framework',
             'webrtc_video_coding',
             '<(DEPTH)/third_party/gflags/gflags.gyp:gflags',
             '<(webrtc_root)/common.gyp:webrtc_common',
             '<(webrtc_root)/system_wrappers/system_wrappers.gyp:system_wrappers_default',
-            '<(webrtc_root)/test/metrics.gyp:metrics',
+            '<(webrtc_root)/test/test.gyp:test_support',
             '<(webrtc_vp8_dir)/vp8.gyp:webrtc_vp8',
           ],
           'sources': [
             'video_quality_measurement.cc',
           ],
           # Disable warnings to enable Win64 build, issue 1323.
           'msvs_disabled_warnings': [
             4267,  # size_t to int truncation.
           ],
         },
       ], # targets
     }], # include_tests
   ], # conditions
 }