tree 3b66c80f9c655245331bd98b85dab105756b6d30
parent bd40126d216181e2a67f732b17f8dbe0671cbb2b
author Narsinga Rao Chella <nrchella@codeaurora.org> 1439600408 -0700
committer Gerrit - the friendly Code Review server <code-review@localhost> 1440585771 -0700

hal: enable sidetone for VoIP calls on voice path

Add support for sidetone for VoIP calls on voice path.
Enable/disbale sidetone during VoIP call set up/tear down
and also during device switch.

CRs-fixed: 890371
Change-Id: Ib79eed79ddcd2bfed1d9bc322195036736a67cb2