Add APANIC kernel logging to CheckinService.

we keep book and only read a particular file once and send it to the server.

The files are:

Ramconsole Driver (Dream/Sapphire):

/data/dontpanic/last_kmsg

Apanic Driver (Sholes/all future designs):

/data/dontpanic/apanic_console
/data/dontpanic/apanic_threads