Make athena_unittests run locally again

BUG=None
TEST=None

Review URL: https://codereview.chromium.org/536113002

Cr-Commit-Position: refs/heads/master@{#293250}

athena/athena.gyp

@@ -23,6 +23,7 @@
         '../ui/app_list/app_list.gyp:app_list',
         '../ui/aura/aura.gyp:aura',
         '../ui/aura/aura.gyp:aura_test_support',
+        '../ui/chromeos/ui_chromeos.gyp:ui_chromeos',
         '../ui/display/display.gyp:display',
         '../ui/events/events.gyp:events_base',
         '../ui/strings/ui_strings.gyp:ui_strings',

athena/main/athena_main.gyp

@@ -26,7 +26,6 @@
         '../../pdf/pdf.gyp:pdf',
         '../../skia/skia.gyp:skia',
         '../../ui/app_list/app_list.gyp:app_list',
-        '../../ui/chromeos/ui_chromeos.gyp:ui_chromeos',
         '../../ui/native_theme/native_theme.gyp:native_theme',
         '../../ui/views/views.gyp:views',
         '../../url/url.gyp:url_lib',