Automatic merge from submit-queue (batch tested with PRs 59873, 59933, 59923, 59944, 59953). 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>.

Fix pod scheduled.

Fix `PodScheduled` condition.

The test `[k8s.io] EquivalenceCache [Serial] validates pod affinity works properly when new replica pod is scheduled` for cri-containerd is flaky.
The reason is that it assume all existing pods should have `PodScheduled` condition, but it is not the case:
```
Feb 15 15:31:01.359: INFO: with-label-390d246e-1265-11e8-beb8-0a580a3c7b55       bootstrap-e2e-minion-group-l6qw  Running         [{Initialized True 0001-01-01 00:00:00 +0000 UTC 2018-02-15 15:30:59 +0000 UTC  } {Ready True 0001-01-01 00:00:00 +0000 UTC 2018-02-15 15:31:00 +0000 UTC  } {PodScheduled True 0001-01-01 00:00:00 +0000 UTC 2018-02-15 15:30:59 +0000 UTC  }]
Feb 15 15:31:01.359: INFO: calico-node-7mzxc                                     bootstrap-e2e-minion-group-hztx  Running         [{Initialized True 0001-01-01 00:00:00 +0000 UTC 2018-02-15 14:17:05 +0000 UTC  } {Ready True 0001-01-01 00:00:00 +0000 UTC 2018-02-15 14:17:59 +0000 UTC  }]
Feb 15 15:31:01.359: INFO: calico-node-kvrsx                                     bootstrap-e2e-minion-group-l6qw  Running         [{Initialized True 0001-01-01 00:00:00 +0000 UTC 2018-02-15 15:24:54 +0000 UTC  } {Ready True 0001-01-01 00:00:00 +0000 UTC 2018-02-15 15:25:20 +0000 UTC  }]
Feb 15 15:31:01.359: INFO: calico-node-llwjh        
```

I'm not sure why this doesn't happen to docker. One theory is that we don't prepull image in cri-containerd, and we do start pod a bit faster for cri-containerd, and that exposes the race condition.

/cc @kubernetes/sig-node-bugs 
Signed-off-by: Lantao Liu <lantaol@google.com>



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

**Which issue(s) this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close the issue(s) when PR gets merged)*:
Fixes #

**Special notes for your reviewer**:

**Release note**:

```release-note
none
```