Automatic merge from submit-queue (batch tested with PRs 50418, 49830, 49206, 49061, 49912)

Renamed packge name to apiv1

**What this PR does / why we need it**:
Renamed packge name from k8s_api_v1 to apiv1
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
NONE
```