Remove chrome_app_unittests from chromium_builder_dbg_drmemory_win target

BUILD.gn

 # Copyright (c) 2013 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.
 
 # This is the root build file for GN. GN will start processing by loading this
 # file, and recursively load all dependencies until all dependencies are either
 # resolved or known not to exist (which will cause the build to fail). So if
 # you add a new build file, there must be some path of dependencies from this
 # file to your new one or GN won't know about it.
 
@@ skipping 1064 matching lines @@
   group("chromium_builder_dbg_drmemory_win") {
     testonly = true
 
     deps = [
       "//base:base_unittests",
       "//cc:cc_unittests",
       "//cc/blink:cc_blink_unittests",
       "//chrome/installer/setup:setup_unittests",
       "//chrome/installer/util:installer_util_unittests",
       "//chrome/test:browser_tests",
-      "//chrome/test:chrome_app_unittests",
+
+      # https://crbug.com/640185
+      # "//chrome/test:chrome_app_unittests",
       "//chrome/test:unit_tests",
       "//chrome/test/chromedriver:chromedriver_unittests",
       "//chrome_elf:chrome_elf_unittests",
       "//components:components_unittests",
       "//components/test_runner:layout_test_helper",
       "//content/shell:content_shell_crash_service",
       "//content/test:content_browsertests",
       "//content/test:content_unittests",
       "//courgette:courgette_unittests",
       "//crypto:crypto_unittests",
@@ skipping 30 matching lines @@
       "//ui/display:display_unittests",
       "//ui/events:events_unittests",
       "//ui/gfx:gfx_unittests",
       "//ui/gl:gl_unittests",
       "//ui/keyboard:keyboard_unittests",
       "//ui/touch_selection:ui_touch_selection_unittests",
       "//url:url_unittests",
     ]
   }
 }