P880: Add audio_effects.conf and each package needed, to
ensure they each get built, & add voice_processing subdir
for libqcomvoiceprocessingdescriptors.so so it's there for
when I get around to building it more... G2 first! :)

Change-Id: Ia6577f942fc75e92836494bf72169301f48f52e9
Signed-off-by: sudosurootdev <sudosurootdev@gmail.com>