Use custom user agent string at all times#1

Merged

laurenyu merged 3 commits intoaws:masterfrom

laurenyu:laurenyu-fix-user-agent-string

Dec 5, 2017

Commits on Dec 1, 2017

Use custom user agent string even if there is a user-supplied boto session or SageMaker client
laurenyu
committed

Commits on Dec 5, 2017