Add android-snapshot devDependency

Author: vchimev

package.json

@@ -28,13 +28,14 @@
     "tns-core-modules": "~2.5.0"
   },
   "devDependencies": {
-    "zone.js": "~0.7.2",
     "babel-traverse": "6.8.0",
     "babel-types": "6.8.1",
     "babylon": "6.8.0",
     "filewalker": "0.1.2",
     "lazy": "1.0.11",
+    "nativescript-dev-android-snapshot": "~0.0.6",
     "nativescript-dev-typescript": "~0.3.7",
-    "typescript": "~2.1.5"
+    "typescript": "~2.1.5",
+    "zone.js": "~0.7.2"
   }
 }