Use bottom mic for speaker phone

Change-Id: Ib2673d797566402707c4978a08b2230d5e8be6e3
Add binaries for IPv6 tethering

 * Still kind of broken though. Some services like Instagram
   doesn't work.

Change-Id: I5b9f801f33caf7122051fe86261dc125649d8ef8
Move some common stuff to msm8930-common

Change-Id: Iad863c9b6b1f95454446ff3bf841e4158ea865e6
Change ACDBID for PROXY Rx

Change-Id: If8dd8cb77b420cbf319bc8c743faa431ea0c18f6
Enable face detection

Change-Id: Icae6473fe7af28a733d683a7b6ed25a3517a3f2d