[Cherry-Pick] Add new reserved prefixed parameter keys which are stripped out of parameter list, add deprecation notice for old keys and keep their behavior the same

[davidz627]

Cherry-pick of #178

Add new reserved prefixed parameter keys which are stripped out of parameter list:

csiParameterPrefix = "csi.storage.k8s.io/"

prefixedFsTypeKey = csiParameterPrefix + "fstype"
prefixedProvisionerSecretNameKey      = csiParameterPrefix + "provisioner-secret-name"
prefixedProvisionerSecretNamespaceKey = csiParameterPrefix + "provisioner-secret-namespace"
prefixedControllerPublishSecretNameKey      = csiParameterPrefix + "controller-publish-secret-name"
prefixedControllerPublishSecretNamespaceKey = csiParameterPrefix + "controller-publish-secret-namespace"
prefixedNodeStageSecretNameKey      = csiParameterPrefix + "node-stage-secret-name"
prefixedNodeStageSecretNamespaceKey = csiParameterPrefix + "node-stage-secret-namespace"
prefixedNodePublishSecretNameKey      = csiParameterPrefix + "node-publish-secret-name"
prefixedNodePublishSecretNamespaceKey = csiParameterPrefix + "node-publish-secret-namespace"

add deprecation notice for old keys, example:
"fstype" is deprecated and will be removed in a future release, please use "csi.storage.k8s.io/fstype" instead

the behavior will be the same for the old parameter keys, except for the fact that they cannot be specified in conjunction with their respective new prefixed parameter key

/assign @saad-ali @verult
/cc @xing-yang @jingxu97 @msau42 @mkimuram @lpabon @jsafrane

[k8s-ci-robot]

@davidz627: GitHub didn't allow me to assign the following users: xing-yan.

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In response to this:

Cherry-pick of #178

Add new reserved prefixed parameter keys which are stripped out of parameter list:

csiParameterPrefix = "csi.storage.k8s.io/"

prefixedFsTypeKey = csiParameterPrefix + "fstype"
prefixedProvisionerSecretNameKey      = csiParameterPrefix + "provisioner-secret-name"
prefixedProvisionerSecretNamespaceKey = csiParameterPrefix + "provisioner-secret-namespace"
prefixedControllerPublishSecretNameKey      = csiParameterPrefix + "controller-publish-secret-name"
prefixedControllerPublishSecretNamespaceKey = csiParameterPrefix + "controller-publish-secret-namespace"
prefixedNodeStageSecretNameKey      = csiParameterPrefix + "node-stage-secret-name"
prefixedNodeStageSecretNamespaceKey = csiParameterPrefix + "node-stage-secret-namespace"
prefixedNodePublishSecretNameKey      = csiParameterPrefix + "node-publish-secret-name"
prefixedNodePublishSecretNamespaceKey = csiParameterPrefix + "node-publish-secret-namespace"

add deprecation notice for old keys, example:
"fstype" is deprecated and will be removed in a future release, please use "csi.storage.k8s.io/fstype" instead

the behavior will be the same for the old parameter keys, except for the fact that they cannot be specified in conjunction with their respective new prefixed parameter key

/assign @saad-ali @verult @xing-yan

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[saad-ali]

/approve

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: davidz627, saad-ali

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[msau42]

/lgtm