Change mojo application name to {name}.mojo

examples/apptest/BUILD.gn

Index: examples/apptest/BUILD.gn
diff --git a/examples/apptest/BUILD.gn b/examples/apptest/BUILD.gn
index c5678c117cfb7edb462c2f75d8ebc2df015e832f..bb8b5b9002746c9f0ced61ada284600df552332c 100644
--- a/examples/apptest/BUILD.gn
+++ b/examples/apptest/BUILD.gn
@@ -2,6 +2,7 @@
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
+import("//mojo/public/mojo_application.gni")
 import("//mojo/public/tools/bindings/mojom.gni")
 
 group("apptest") {
@@ -13,7 +14,7 @@ group("apptest") {
   ]
 }
 
-shared_library("service") {
+mojo_native_application("service") {
   output_name = "example_service"
 
   sources = [
@@ -31,7 +32,7 @@ shared_library("service") {
   ]
 }
 
-shared_library("apptests") {
+mojo_native_application("apptests") {
   output_name = "example_apptests"
 
   testonly = true