Run gn check for an android build on presubmit

mojo/edk/embedder/BUILD.gn

 # Copyright 2014 The Chromium Authors. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
 import("../mojo_edk.gni")
 
 mojo_edk_source_set("embedder") {
   # This isn't really a standalone target; it must be linked into the
   # mojo_system_impl component.
   mojo_edk_visibility = [ "mojo/edk/system" ]
@@ skipping 20 matching lines @@
     "MOJO_SYSTEM_IMPL_IMPLEMENTATION",
     "MOJO_SYSTEM_IMPLEMENTATION",
   ]
 
   mojo_edk_configs = [ "mojo/edk/system:system_config" ]
 
   public_deps = [
     ":platform",
   ]
 
-  mojo_sdk_public_deps = [
-    "mojo/public/cpp/system",
-  ]
+  mojo_sdk_public_deps = [ "mojo/public/cpp/system" ]
 
   deps = [
     "//base",
   ]
 }
 
 mojo_edk_source_set("platform") {
   # This isn't really a standalone target; it must be linked into the
   # mojo_system_impl component.
-  visibility = [
-    ":embedder",
-  ]
+  visibility = [ ":embedder" ]
 
-  mojo_edk_visibility = [
-    "mojo/edk/system",
-  ]
+  mojo_edk_visibility = [ "mojo/edk/system" ]
 
   sources = [
     "platform_channel_pair.cc",
     "platform_channel_pair.h",
     "platform_channel_pair_posix.cc",
     "platform_channel_pair_win.cc",
     "platform_channel_utils_posix.cc",
     "platform_channel_utils_posix.h",
     "platform_handle.cc",
     "platform_handle.h",
@@ skipping 13 matching lines @@
     "simple_platform_support.h",
   ]
 
   defines = [ "MOJO_SYSTEM_IMPL_IMPLEMENTATION" ]
 
   mojo_edk_configs = [ "mojo/edk/system:system_config" ]
 
   deps = [
     "//base",
   ]
+
+  if (is_android) {
+    deps += [ "//third_party/ashmem" ]
+  }
 }
 
 mojo_edk_source_set("embedder_unittests") {
   testonly = true
   mojo_edk_visibility = [ "mojo/edk/system:mojo_system_unittests" ]
 
   sources = [
     "embedder_unittest.cc",
     "platform_channel_pair_posix_unittest.cc",
     "simple_platform_shared_buffer_unittest.cc",
   ]
 
   deps = [
     "//base",
     "//base/test:test_support",
     "//testing/gtest",
   ]
 
   mojo_edk_deps = [
     "mojo/edk/test:test_support",
     "mojo/edk/system",
     "mojo/edk/system:test_utils",
   ]
 }