build: conditional travis build stages

[CaerusKaru]

• Equivalent commit to build: conditional travis build stages components#9949

[CaerusKaru]

@devversion can you take a look at this?

[devversion]

Actually the if statements are missing here. So the PR is not really about conditional build stages. On Material we want to push build artifacts not in another build stage, because it can happen that BrowserStack/Saucelabs time out too often.

[CaerusKaru]

Good point, I had the formatting wrong and thought the if statements came before the env. I added a check for the publish-artifacts stage, can you PTAL again?

[angular-automatic-lock-bot]

This issue has been automatically locked due to inactivity.
Please file a new issue if you are encountering a similar or related problem.

Read more about our automatic conversation locking policy.

_{This action has been performed automatically by a bot.}