Backward compatibility temp fix for legacy account.provider.Zone.
Backward compatibility temp fix for legacy account.provider.Zone.

gauravlall/oneops,okornev/oneops,lkhusid/oneops,okornev/oneops,gauravlall/oneops,lkhusid/oneops,gauravlall/oneops,lkhusid/oneops,gauravlall/oneops,gauravlall/oneops,gauravlall/oneops,okornev/oneops,lkhusid/oneops,okornev/oneops,okornev/oneops,lkhusid/oneops,lkhusid/oneops,okornev/oneops