Add android-snapshot dependency

Author: vchimev

package.json

@@ -61,6 +61,7 @@
     "glob": "^7.0.5",
     "lazy": "1.0.11",
     "markdown-snippet-injector": "^0.2.0",
+    "nativescript-dev-android-snapshot": "~0.0.6",
     "nativescript-dev-typescript": "^0.3.2",
     "nativescript-dev-webpack": "^0.3.0",
     "opener": "^1.4.1",