system/core: New stream type and flag for incall music delivery

- Add new stream type and flag for incall music delivery

Change-Id: I54d0d820d2dbb888d2e0cebdca63be2856eb00d8
system/core: Add tunnel format frame size

Add tunnel mode formats frame sizes to audio.h. This ensures frame
size definition in one place.

Change-Id: Ia01cb4cba003e538a53aaa18330ef860367859c1
audio: Add support tunnel mode recording

Support for tunnel recording

Change-Id: I8e4a4ce4cde23296beb783c7d678db1fa8936af1
Camera: Extend few data structures for QCom features.

Add message type for STATS_DATA and also the commands
which the application sends to start/stop histogram.
Also add few members to the face structure to extend
the face detection feature.

Change-Id: I3cc1c99ce40b58a029b1e048e6f84265833ac372
Camera: Adds meta data message and commands

- This change adds support for meta
  data type notification messages and
  commands.

Change-Id: I4d19254be90ac43a40e7d02d74a3c7c1a2bad336
Remove QCOM_BSP from here for now

Change-Id: I0482aaf67b9f60946d5f0bac9906b94d66bab6f5