Add new jobs for cloud-provider-azure
Add new jobs for cloud-provider-azure

Three new jobs are added:

* 1 presubmit job: pull-cloud-provider-azure-e2e-ccm.
* 2 periodical jobs: ci-cloud-provider-azure-autoscaling and ci-cloud-provider-azure-conformance

GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid,GoogleCloudPlatform/testgrid