Fix and simplify mcc config.xml specific values.

I'd placed the config.xml files inside the values directory.
They should have been up a level in the res directory. Also,
since we currently want all US operators we need to just create
two directories for mcc 310 and 311.

Bug: 9513380
Change-Id: Id08848354b286b0ef7fab576a7de0376d1e7b888
21 files changed