Find7: enable Torch

Change-Id: I8f98b4106e6c6d748dd68a2d6fe29fdd5bb9f0c9
Find7: switch primary mic path

Taken from: http://review.gummyrom.com/#/c/3038/

Change-Id: I42c14b19be9b685f82c8e381b6acdb174a18047c