Automatic merge from submit-queue (batch tested with PRs 42734, 42745, 42758, 42814, 42694)

Dropped docker 1.9.x support. Changed the minimumDockerAPIVersion to

1.22

cc/ @Random-Liu @yujuhong 

We talked about dropping docker 1.9.x support for a while. I just realized that we haven't really done it yet. 

```release-note
Dropped the support for docker 1.9.x and the belows. 
```