* AAC-Encoder

   - Add 7.1 rear surround and 7.1 front center support to supported encoder
     channel modes. Change max channels from 6 to 8 and add 7.1 configuration
     to bandwidth and channel mapping functions.
     Modified file(s):
        libAACenc\include\aacenc_lib.h
        libAACenc\src\aacEnc_ram.cpp
        libAACenc\src\aacEnc_ram.h
        libAACenc\src\aacenc.cpp
        libAACenc\src\aacenc.h
        libAACenc\src\aacenc_lib.cpp
        libAACenc\src\adj_thr.cpp
        libAACenc\src\adj_thr.h
        libAACenc\src\adj_thr_data.h
        libAACenc\src\bandwidth.cpp
        libAACenc\src\bitenc.cpp
        libAACenc\src\channel_map.cpp
        libAACenc\src\interface.h
        libAACenc\src\metadata_compressor.cpp
        libAACenc\src\psy_main.cpp
        libAACenc\src\psy_main.h
        libAACenc\src\qc_data.h
        libAACenc\src\qc_main.cpp
        libAACenc\src\qc_main.h

* SBR-Encoder

   - Support up to 7.1 audio channels. Changed max channels from 6 to 8.
     Modified file(s):
        libSBRenc\include\sbr_encoder.h
        libSBRenc\src\sbr.h
        libSBRenc\src\sbr_encoder.cpp
        libSBRenc\src\sbr_ram.cpp

* Transport-Encoder
   - Add 7.1 channel configuration to audio specific config writer in
     transport encoder library.
     Modified file(s):
        libMpegTPEnc\src\tpenc_asc.cpp
        libMpegTPEnc\src\version

* SYS-Library
   - Add 7.1 channel modes to CHANNEL_MODE description.
     Modified file(s):
        libSYS\include\FDK_audio.h
        libSYS\src\genericStds.cpp

Bug 9428126

Change-Id: Ide53583aa8e03df4537b98db80740dfe0e7a9e0f