Proper cleanup of Tunnel and LPA during Error

 - Cleanup of tunnel and lpa during error

Change-Id: Ia9113cc6fed5d5d841ab35203e195188ccf7591d

Conflicts:
	media/libstagefright/AwesomePlayer.cpp
	media/libstagefright/TunnelPlayer.cpp
libstagefright: Add support for AC3 and EC3 playback in tunnel mode

Add support for AC3 and EC3 playback in tunnel mode

Change-Id: If5de26d3ff9e63737d6ed43b904c6094f93fbfc0

Conflicts:
	media/libstagefright/MPEG4Extractor.cpp
	media/libstagefright/QCUtilityClass.cpp
	media/libstagefright/StagefrightMediaScanner.cpp
	media/libstagefright/TunnelPlayer.cpp