CodeGen from PR 18991 in Azure/azure-rest-api-specs

Review request for Microsoft.ContainerService to add version 2022-04-01 (#18991)

* Adds base for updating Microsoft.ContainerService from version stable/2022-03-01 to version 2022-04-01

* Updates readme

* Updates API version in new specs and examples

* update readme (#18715)

* add storage profile into managedcluster (#18818)

Signed-off-by: Ji An Liu <jiliu8@microsoft.com>

* GA mc alias minor version in 0401 (#18821)

* GA mc alias minor version in 0401

* unify info to be consistent with ap alias minor version

* update the title of kuberneteVersion

* add title for currentKubernetesVersion

* make currentKubernetesVersion language consistency with AP currentOrchestratorVersion

* GA agent pool alisa minor version (#18814)

* GA agent pool alisa minor version

* Unify description with MC

* Add read-only field

* Rematch description with MC

Co-authored-by: Xia ZHU <398289931@qq.com>
Co-authored-by: Ji'an Liu <jiliu8@microsoft.com>
Co-authored-by: Jianping Zeng <zjpjack@users.noreply.github.com>
Co-authored-by: Thalia Wang <58485997+wenxuan0923@users.noreply.github.com>

Author: 5 people