[Feature][T106][VOICE] add set and get mic volume

Only Configure: Yes
Affected branch: master
Affected module: voice
Is it affected on both ZXIC and MTK: only ZXIC
Self-test: Yes
Doc Update: No

Change-Id: I8804900986b5b07d8558ef159ed4eb874ba6de8c
(cherry picked from commit 234e38a551a2cd4f81f154725ec3126acbe45af1)
3 files changed