Updating launch.json to W1 for July Update

samples/GetAddressService/app.json

@@ -13,7 +13,7 @@
   "capabilities": [],
   "application": {
     "version": "10.0.0.0",
-    "locale": "US"
+    "locale": "W1"
   },
   "platform": "10.0.0.0",
   "screenshots": []

samples/HelloWorld/app.json

@@ -14,7 +14,7 @@
   "platform": "10.0.0.0",
   "application": {
     "version": "10.0.0.0",
-    "locale": "US"
+    "locale": "W1"
   },
   "screenshots": []
 }