Converts test_wm to use aura

services/ui/test_wm/BUILD.gn

Index: services/ui/test_wm/BUILD.gn
diff --git a/services/ui/test_wm/BUILD.gn b/services/ui/test_wm/BUILD.gn
index d8ba438ff6a5a6a990819db081f66f690f4f38eb..fa5a3119de155382ff8c5624721644d8e49e8b5e 100644
--- a/services/ui/test_wm/BUILD.gn
+++ b/services/ui/test_wm/BUILD.gn
@@ -6,6 +6,7 @@ import("//services/service_manager/public/cpp/service.gni")
 import("//services/service_manager/public/service_manifest.gni")
 
 service("test_wm") {
+  testonly = true
   sources = [
     "test_wm.cc",
   ]
@@ -13,10 +14,14 @@ service("test_wm") {
   deps = [
     "//base",
     "//services/service_manager/public/cpp",
-    "//services/ui/public/cpp",
     "//services/ui/public/interfaces",
+    "//ui/aura",
+    "//ui/aura:test_support",
+    "//ui/compositor:test_support",
     "//ui/display",
     "//ui/gfx/geometry/mojo",
+    "//ui/gl:test_support",
+    "//ui/wm",
   ]
 
   data_deps = [