build(aio): use aot compiler for development

since it was not turned on by default in the cli we
have to opt in.

aio/package.json

@@ -10,7 +10,7 @@
     "aio-use-npm": "node tools/ng-packages-installer restore .",
     "aio-check-local": "node tools/ng-packages-installer check .",
     "ng": "yarn check-env && ng",
-    "start": "yarn check-env && ng serve",
+    "start": "yarn check-env && ng serve --aot",
     "prebuild": "yarn setup",
     "build": "yarn ~~build",
     "prebuild-local": "yarn setup-local",