Merge remote-tracking branch into aosp

  audio/hal: Configure HDMI channels based on output stream channels
  hal: Fix for Tx Mute issue when a new call accepted while in call
  Level measurement in offloaded visualizer
  audio: Presentation time enhancements
  implement get_presentation_position() for offloaded outputs
  audio : add new TMUS MCC and MNC list
  audio : add new TMUS MCC and MNC list
  audio : add new TMUS MCC and MNC list
  add offloaded audio visualizer
  audio: compress offload enhancements
  audio: enable AAC offload
  audio: set cached volume before starting voice call
  audio: set cached volume before starting voice call
  Implement HAL API get_presentation_position
  hal: force stop after drain.
  hal: Add support for Tunnel mode audio playback

Conflicts:
	Android.mk
	hal/audio_hw.c
	hal/audio_hw.h
	hal/msm8960/platform.c
	hal/msm8974/platform.c

Change-Id: I0c66fd6bae9b4974e1791f4e848c775d389da3d0