Revert of Fix android_junit_tests and add a GN target for them.

webrtc/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): Rebase this to webrtc/build/common.gypi changes after r6330.
 
@@ skipping 809 matching lines @@
 
     if (is_mac) {
       sources += [ "base/macsocketserver_unittest.cc" ]
     }
     if (is_clang) {
       # Suppress warnings from the Chromium Clang plugin.
       # See http://code.google.com/p/webrtc/issues/detail?id=163 for details.
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
   }
-
-  if (is_android) {
-    junit_binary("android_junit_tests") {
-      java_files = [ "androidjunit/src/org/webrtc/CameraEnumerationTest.java" ]
-
-      deps = [
-        "//webrtc/api:libjingle_peerconnection_java",
-        "//webrtc/api:libjingle_peerconnection_jni",
-      ]
-    }
-  }
 }