Automatic merge from submit-queue

PodFitsPorts has been replaced by PodFitsHostPorts

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

in  [defaults.go](https://github.com/kubernetes/kubernetes/blob/master/plugin/pkg/scheduler/algorithmprovider/defaults/defaults.go)
>  PodFitsPorts has been replaced by PodFitsHostPorts for better user understanding.
 For backwards compatibility with 1.0, PodFitsPorts is registered as well.



So  ,  I replaced PodFitsPorts  with PodFitsHostPorts  in scheduler examples

**Special notes for your reviewer**:

**Release note**:

```release-note
```