[OMS] Distro Allowlist & Encoding Fix (#1181)
[OMS] Distro Allowlist & Encoding Fix (#1181)

* fix decoding issue when waagent utils are not available

* Update distro allowlist

* Log info when falling back to /etc/os-release

* Typo
Azure/azure-linux-extensions,vityagi/azure-linux-extensions,bpramod/azure-linux-extensions,Azure/azure-linux-extensions,Azure/azure-linux-extensions,vityagi/azure-linux-extensions,bpramod/azure-linux-extensions,bpramod/azure-linux-extensions,Azure/azure-linux-extensions,bpramod/azure-linux-extensions,vityagi/azure-linux-extensions,bpramod/azure-linux-extensions,Azure/azure-linux-extensions,Azure/azure-linux-extensions,vityagi/azure-linux-extensions,vityagi/azure-linux-extensions,bpramod/azure-linux-extensions,vityagi/azure-linux-extensions,Azure/azure-linux-extensions,bpramod/azure-linux-extensions,vityagi/azure-linux-extensions