Update hyperkube command in manifests for k8s components.

[adelina-t]

In k8s 1.15 this PR : kubernetes/kubernetes#76953
removed aliases for k8s binaries in hyperkube ( i.e proxy alias for kube-proxy ).

This PR changes the commands in all manifests that invoke hyperkube
to use the full name of the binaries.

Reason for Change:

PR kubernetes/kubernetes#76953 in kubernetes/kubernetes removed aliases for hyperkube binaries ( apiserver, proxy etc. ), thus the binaries have to be invoked by their full name ( kube-apiserver, kube-proxy etc. ).

This issue has been observed in upstream windows testing for k8s ( https://testgrid.k8s.io/sig-windows#aks-engine-azure-windows-master ).

NOTE:

• It does not affect aks-engine as it is now, as it only supports k8s 1.15.0-alpha.3 ( Change merged after this ) however it may pose a problem in future releases.
• the full binary name, kube- , is supported in all k8s versions thus there shouldn't be any backwards compatibility issues.

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[adelina-t]

/cc @PatrickLang

[mboersma]

lgtm

This is great @adelina-t, thank you for being proactive!

There are some places in the docs (and in code) where we refer to these components by the short names. Is worth changing the docs references as well for consistency? Not in this PR necessarily, just asking.

[mboersma]

/azp run pr-e2e

[azure-pipelines]

Azure Pipelines successfully started running 1 pipeline(s).

[mboersma]

Could you git commit --amend the commit message so it's something like:

fix: update short hyperkube commands in manifests for k8s components

Otherwise this change won't show up in our CHANGELOG when we do a release. Thanks!

[codecov]

Codecov Report

Merging #1279 into master will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff           @@
##           master    #1279   +/-   ##
=======================================
  Coverage   74.76%   74.76%           
=======================================
  Files         128      128           
  Lines       18333    18333           
=======================================
  Hits        13706    13706           
  Misses       3836     3836           
  Partials      791      791

[jackfrancis]

Ditto, thanks @adelina-t! (fixed the commit message via squash commit)