Automatic merge from submit-queue (batch tested with PRs 53946, 53993, 54315, 54143, 54532). If you want to cherry-pick this change to another branch, please follow the instructions <a href="https://github.com/kubernetes/community/blob/master/contributors/devel/cherry-picks.md">here</a>.

RBAC for Calico Typha Horizontal Autoscaler

**What this PR does / why we need it**:

On v1.8.0-gke.1 I noticed a number of RBAC failures for `default` in kube-system. Turns out the only container missing the serviceAccountName was the typha-horizontal-autoscaler.

**Special notes for your reviewer**:

cc @caseydavenport seems like this is up your alley 

**Release note**:

```release-note
NONE
```