Rename mojo_application GN templates to service*

mash/webtest/BUILD.gn

Index: mash/webtest/BUILD.gn
diff --git a/mash/webtest/BUILD.gn b/mash/webtest/BUILD.gn
index 4568d9c1a84ec7f641965a901b4d9c9be10473db..f78065b9874d60e715695bf977f5fd0da5142074 100644
--- a/mash/webtest/BUILD.gn
+++ b/mash/webtest/BUILD.gn
@@ -3,8 +3,8 @@
 # found in the LICENSE file.
 
 import("//build/config/ui.gni")
-import("//mojo/public/mojo_application.gni")
-import("//mojo/public/mojo_application_manifest.gni")
+import("//services/shell/public/cpp/service.gni")
+import("//services/shell/public/service_manifest.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 import("//tools/grit/repack.gni")
 
@@ -36,7 +36,7 @@ source_set("lib") {
   ]
 }
 
-mojo_native_application("webtest") {
+service("webtest") {
   testonly = true
   sources = [
     "main.cc",
@@ -56,7 +56,7 @@ mojo_native_application("webtest") {
   ]
 }
 
-mojo_application_manifest("manifest") {
-  application_name = "webtest"
+service_manifest("manifest") {
+  name = "webtest"
   source = "manifest.json"
 }