[tz] Urumqi timezone.

[Paul Eggert]

gfb hjjhjh wrote:
> ​But a problem with the current approach is that when some products opt to
> use geolocation-based timezone selection

I don't see how adding an alias would help resolve that problem. No matter what, 
manufacturers will need to decide what the default should be for people 
geographically located in Xinjiang. This is true regardless of whether the name 
of one zone is Asia/Shanghai or Asia/Urumqi2 or Asia/Whatever.