switches: add modemfwd_switches.h

modemfwd will use these to invoke modem-specific programs
and get information about the modem or perform actions on
the modem.

BUG=b:37953355
TEST=emerge, inspect sysroot

Change-Id: I772aeb0ab5f79ba1f966347164d38d399e148f6d
Reviewed-on: https://chromium-review.googlesource.com/720156
Commit-Ready: Eric Caruso <ejcaruso@chromium.org>
Tested-by: Eric Caruso <ejcaruso@chromium.org>
Reviewed-by: Dan Erat <derat@chromium.org>
1 file changed