message: build(aio): fix example protractor config for Travis
  Without setting the CHROME_BIN Travis will not use the correct version
  of Chrome for running e2e tests.
  Closes
  PR Close
diff: @@ -9,7 +9,11 @@ exports.config = {
  './e2e/**/*.e2e-spec.ts'
  ],
  capabilities: {
  - 'browserName': 'chrome'
  + 'browserName': 'chrome',
  + // For Travis CI only
  + chromeOptions: {
  + binary: process.env.CHROME_BIN
  + }
  },
  directConnect: true,
  baseUrl: 'http://localhost:4200/',
  