Split telemetry class. Add QPAInfo
[shell] Add QPAInfo source
This should be safe from a migration discussion
as a user has already opted into a setting called "Platform". This is
effectively the same.
[shell] Split UserFeedback out of ShellCorona
ShellCorona is a messy class doing mulitple functions.
This patch splits out all telemetry code into a new class, meaning it's
easier to extend. Code remains the same.