Replace libphonenumber with a simple parser

Getting libphonenumber to be part of an unbundled app is not worth
the effort when the preferred fix is to the framework anyway.
This reverts to the previous behavior for non-US regions, and
replaces calls to libphonenumber with a simple parser that will
handle the USA reasonably well.

Bug 5578068

Change-Id: I019745212fa798e63b78ee10a2e022197417ed70
2 files changed