Remove metrics_unittests for WebRTC Android builds.

This test is about to be removed (merged into another target).

BUG=webrtc:1843
NOTRY=True

Review URL: https://codereview.chromium.org/117293002

git-svn-id: http://src.chromium.org/svn/trunk/src/build@241330 4ff67af0-8c30-449e-8e8b-ad334ec8d88c

android/pylib/gtest/gtest_config.py

@@ -41,7 +41,6 @@ WEBRTC_NATIVE_TEST_SUITES = [
     'audio_decoder_unittests',
     'common_audio_unittests',
     'common_video_unittests',
-    'metrics_unittests',
     'modules_tests',
     'modules_unittests',
     'neteq_unittests',