tree 7ce8837ad6c0713fb2fa055236fb962437d1e872
parent 5f181618d97ac5ceda2657c630ff3da5b9a47ce4
author pkanwar <pkanwar@google.com> 1478491905 -0800
committer pkanwar <pkanwar@google.com> 1478555988 -0800

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

Test: will be added in a subsequent CL.
Bug: 30973910
Change-Id: Ibf622e154f3f987be547f4f85e15891d4e382118