tree c9099abfb1dd8599c3638e155af8659d1966fc51
parent 32832aba73523bf6d277836b63e484f94022169e
author pkanwar <pkanwar@google.com> 1477937058 -0700
committer pkanwar <pkanwar@google.com> 1478215366 -0700

Provide an API to make USSD calls and read the responses.

Test: will be added in a subsequent CL.
Bug: 30973910
Change-Id: Ie92441b6435775d9b6d74f9a0777064d9839d6dc