Revert of GN: Include webrtc/api targets even if rtc_include_tests=false

webrtc/api/BUILD.gn

 # Copyright (c) 2015 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.
 
 import("../webrtc.gni")
 if (is_android) {
@@ skipping 153 matching lines @@
     deps += [ "$rtc_libyuv_dir" ]
     public_deps = [
       "$rtc_libyuv_dir",
     ]
   } else {
     # Need to add a directory normally exported by libyuv.
     include_dirs = [ "$rtc_libyuv_dir/include" ]
   }
 }
 
-rtc_source_set("mock_audio_mixer") {
-  testonly = true
-  sources = [
-    "test/mock_audio_mixer.h",
-  ]
-
-  public_deps = [
-    ":audio_mixer_api",
-  ]
-
-  deps = [
-    "//testing/gmock",
-    "//webrtc/test:test_support",
-  ]
-}
-
-rtc_source_set("libjingle_peerconnection_test_api") {
-  testonly = true
-  sources = [
-    "test/fakeconstraints.h",
-  ]
-
-  public_deps = [
-    ":libjingle_peerconnection_api",
-  ]
-
-  deps = [
-    "../base:rtc_base_approved",
-    "//webrtc/test:test_support",
-  ]
-}
-
-rtc_source_set("fakemetricsobserver") {
-  testonly = true
-  sources = [
-    "fakemetricsobserver.cc",
-    "fakemetricsobserver.h",
-  ]
-  deps = [
-    ":libjingle_peerconnection_api",
-    "../base:rtc_base_approved",
-  ]
-  if (!build_with_chromium && is_clang) {
-    # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
-    suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
-  }
-}
-
 if (rtc_include_tests) {
+  rtc_source_set("mock_audio_mixer") {
+    testonly = true
+    sources = [
+      "test/mock_audio_mixer.h",
+    ]
+
+    public_deps = [
+      ":audio_mixer_api",
+    ]
+
+    deps = [
+      "//testing/gmock",
+      "//webrtc/test:test_support",
+    ]
+  }
+
+  rtc_source_set("libjingle_peerconnection_test_api") {
+    testonly = true
+    sources = [
+      "test/fakeconstraints.h",
+    ]
+
+    public_deps = [
+      ":libjingle_peerconnection_api",
+    ]
+
+    deps = [
+      "../base:rtc_base_approved",
+      "//webrtc/test:test_support",
+    ]
+  }
+
+  rtc_source_set("fakemetricsobserver") {
+    testonly = true
+    sources = [
+      "fakemetricsobserver.cc",
+      "fakemetricsobserver.h",
+    ]
+    deps = [
+      ":libjingle_peerconnection_api",
+      "../base:rtc_base_approved",
+    ]
+    if (!build_with_chromium && is_clang) {
+      # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
+      suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
+    }
+  }
+
   rtc_source_set("rtc_api_unittests") {
     testonly = true
     sources = [
       "rtcerror_unittest.cc",
     ]
 
     if (!build_with_chromium && is_clang) {
       # Suppress warnings from the Chromium Clang plugin (bugs.webrtc.org/163).
       suppressed_configs += [ "//build/config/clang:find_bad_constructs" ]
     }
 
     deps = [
       ":libjingle_peerconnection_api",
       "//webrtc/test:test_support",
     ]
   }
 }