GN: Add SDK tests to rtc_unittests.

webrtc/sdk/sdk_tests.gyp

-# Copyright 2016 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.
-
-{
-  'includes': [ '../build/common.gypi', ],
-  'conditions': [
-    ['OS=="ios" or (OS=="mac" and mac_deployment_target=="10.7")', {
-      'targets': [
-        {
-          'target_name': 'rtc_sdk_peerconnection_objc_tests',
-          'type': 'executable',
-          'includes': [
-            '../build/objc_common.gypi',
-          ],
-          'dependencies': [
-            '<(webrtc_root)/base/base_tests.gyp:rtc_base_tests_utils',
-            '<(webrtc_root)/sdk/sdk.gyp:rtc_sdk_peerconnection_objc',
-            '<(webrtc_root)/system_wrappers/system_wrappers.gyp:metrics_default',
-          ],
-          'sources': [
-            'objc/Framework/UnitTests/RTCConfigurationTest.mm',
-            'objc/Framework/UnitTests/RTCDataChannelConfigurationTest.mm',
-            'objc/Framework/UnitTests/RTCIceCandidateTest.mm',
-            'objc/Framework/UnitTests/RTCIceServerTest.mm',
-            'objc/Framework/UnitTests/RTCMediaConstraintsTest.mm',
-            'objc/Framework/UnitTests/RTCSessionDescriptionTest.mm',
-          ],
-          'xcode_settings': {
-            # |-ObjC| flag needed to make sure category method implementations
-            # are included:
-            # https://developer.apple.com/library/mac/qa/qa1490/_index.html
-            'OTHER_LDFLAGS': ['-ObjC'],
-          },
-        },
-      ],
-    }],  # OS=="ios" or (OS=="mac" and mac_deployment_target=="10.7")
-  ],
-}