Hlte: Remove custom audio code

  No need to use custom c code anymore.  We are able to use
  platform xmls, and translation in mixer_paths to achieve
  the same thing.
  Also, kanged from klte/intervigil

Change-Id: I2de426c34d4bdb043eb50861590819b9a1af19f9
Hlte: Set call recording source to voice line
hlte: Enable call recording for uplink and downlink

Change-Id: Ibb508b9281ae3f81f149788fad223fd72e14e880

Remove changes to system.prop since
call recording is enabled by default to all
hlte: fix typo on init.qcom.rc

Fix a typo introduced after commit 4da7778ab6613fe340f7a58091c615e90ce88338 (hlte: Clean up Samsung device inheritance).

Signed-off-by: Park Ju Hyung <qkrwngud825@gmail.com>

Change-Id: I81e35a5b4ffd8e5c90e0f9bc3c3b3d19c78d1f04
Hlte: Raise video recording volume

Change-Id: I4ab3879773cd522ad4954f39da13bf52e7fa850d