AJAUDIO-33: Fix crash when audio device cannot be opened.

Added new command line options to SinkService for specifying the ALSA
device and mixer.  Example: ./SinkService -Dplughw:0,0 -Mhw:0.

Change-Id: I98783c8e0842798a6737ba3ea40606b5b9c937e2
AJAUDIO-36: Removed dependency on Android support package.
AJAUDIO36: Added path to common project in Android.mk files.
AJAUDIO38: Fixed .classpath values
Added eclipse project files to Sink Android sample.