Refresh cluster-proportional-autoscaler, etcd-empty-dir-cleanup, fluentd-gcp, and kube-addon-manager addons

[ixdy]

What this PR does / why we need it: refreshes a number of addons with new base images:

• gcr.io/google-containers/cluster-proportional-autoscaler-amd64:1.1.0-r3 (rebuilt at 1.1.0)
• gcr.io/google-containers/etcd-empty-dir-cleanup:0.0.3
• gcr.io/google-containers/fluentd-gcp:1.28.4
• gcr.io/google-containers/kube-addon-manager:v6.1.2, including kubectl v1.5.7

These include upstream fixes to base images with fixes for the following CVEs:

• CVE-2015-8271
• CVE-2016-7543
• CVE-2016-9841
• CVE-2016-9843
• CVE-2017-1000366
• CVE-2017-2616
• CVE-2017-7507

Special notes for your reviewer:

Release note:

Update cluster-proportional-autoscaler, etcd-empty-dir-cleanup, fluentd-gcp, and kube-addon-manager addons with refreshed base images containing fixes for CVE-2015-8271, CVE-2016-7543, CVE-2016-9841, CVE-2016-9843, CVE-2017-1000366, CVE-2017-2616, and CVE-2017-7507.

cc @timstclair @MrHohn @mbohlool @crassirostris

[eparis]

/lgtm

[eparis]

W0623 18:51:59.729] Error: Status 405 trying to pull repository k8s-testimages/kubekins-test: "v1 Registry API is disabled. See https://cloud.google.com/container-registry/docs/support/deprecation-notices"

Not sure if that was a flake.
/retest

[ixdy]

Yeah, that was probably a fluke. When docker fails to download the image with the v2 api, it'll fallback to the v1 api, triggering that error message on gcr.io.

[ixdy]

can I
/approve no-issue
my own PR?

[eparis]

/approve no-issue

[k8s-github-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: eparis, ixdy

Associated issue requirement bypassed by: eparis

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• cluster/OWNERS [eparis]

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[eparis]

apparently you can not. It explains another PR where @deads2k was unable to do that same.

[ixdy]

/assign @saad-ali @mwielgus

[ixdy]

/retest

[k8s-github-robot]

Automatic merge from submit-queue

[k8s-cherrypick-bot]

Commit found in the "release-1.5" branch appears to be this PR. Removing the "cherrypick-candidate" label. If this is an error find help to get your PR picked.