Implemented default auth in all quickstarts.

[RajeshGogo]

trafficstars

Description

Implemented Google default auth in all quickstarts.

Fixes # (223108658)

Is it been tested?

• [X] Development testing done

Checklist

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my own code
• [X] I have performed a peer-reviewed with team member(s)
• [X] I have commented my code, particularly in hard-to-understand areas
• [ ] I have made corresponding changes to the documentation
• [X] My changes generate no new warnings
• [X] Any dependent changes have been merged and published in downstream modules

[sqrrrl]

Same as python PR, this requires a little more thought and coordination on the docs side of things to make sure the quickstart instructions are accurate. Let's chat at next meeting.