fix(functions): update error reporting comments (GoogleCloudPlatform#2675)

Author: Ace Nassri

functions/helloworld/index.js

@@ -108,7 +108,7 @@ exports.helloError = (event, context, callback) => {
  */
 exports.helloError2 = (event, context, callback) => {
  // [START functions_helloworld_error]
- // These will NOT be reported to Error Reporting
+ // These WILL be reported to Error Reporting
  console.error(new Error('I failed you')); // Logging an Error object
  console.error('I failed you'); // Logging something other than an Error object
  throw 1; // Throwing something other than an Error object