Move ui_services_unittests into service_unittest.

services/BUILD.gn

Index: services/BUILD.gn
diff --git a/services/BUILD.gn b/services/BUILD.gn
index b1007df9643094ddd034abbddd4341ac0c126f0e..79e9b1349abaf759781f0658c4a0843d5a80fd3e 100644
--- a/services/BUILD.gn
+++ b/services/BUILD.gn
@@ -37,6 +37,10 @@ service_test("service_unittests") {
     if (is_linux && !is_chromeos) {
       deps += [ "//services/ui/demo:tests" ]
     }
+
+    if (use_ozone || (!is_chromeos && !is_mac)) {
+      deps += [ "//services/ui/ws:tests" ]
+    }
   }
 
   if (is_android) {
@@ -82,6 +86,10 @@ catalog("service_unittests_catalog") {
     if (is_linux && !is_chromeos) {
       catalog_deps += [ "//services/ui/demo:tests_catalog" ]
     }
+
+    if (use_ozone || !is_chromeos) {
+      catalog_deps += [ "//services/ui/ws:tests_catalog" ]
+    }
   }
 }