Apply new WM shadows to app list.

BUILD.gn

Index: BUILD.gn
diff --git a/BUILD.gn b/BUILD.gn
index cabb6818fa2bb59ed0c1c1a796648e388bc8609f..19bdd1b49b939073a0ca5c1836ee1daae608d472 100644
--- a/BUILD.gn
+++ b/BUILD.gn
@@ -359,8 +359,6 @@ group("both_gn_and_gyp") {
 
   if (use_aura) {
     deps += [
-      "//ui/app_list:app_list_unittests",
-      "//ui/app_list/presenter:app_list_presenter_unittests",
       "//ui/aura:aura_unittests",
       "//ui/aura:demo",
       "//ui/wm:wm_unittests",
@@ -481,6 +479,8 @@ group("both_gn_and_gyp") {
       "//chromeos:chromeos_unittests",
       "//chromeos/components:chromeos_components_unittests",
       "//components/session_manager/core",
+      "//ui/app_list:app_list_unittests",
+      "//ui/app_list/presenter:app_list_presenter_unittests",
       "//ui/arc:ui_arc_unittests",
       "//ui/chromeos:ui_chromeos_unittests",
     ]