Brian Attwell

Sample library doesn't reference mvn script

1

Bottom of sample libraries should have ``` apply from: rootProject.file('gradle/gradle-mvn-push.gradle') ``` Without this, calling `uploadArchives` won't have an effect.

Audience support for k8 auth

4

**Is your feature request related to a problem? Please describe.** When binding a k8 service account to a policy, there is no support for `bound_audience` like there is for GCE...

Also remove the unused method if it isn't used by release.

Internally we're now using the google code format with an indentation of 2.