Basic opensles microphone redirection support, data conversion still buggy.
Fixed pulse audio default device name, now working without arguments again.
Initial working microphone redirection for android.
Added debug messages to alsa and pulse microphone backends.
Fixed android shutdown crash.
Added new permissions required for microphone redirection.
Fixed JNI call for microphone redirection.
Increased mimimum android version to API level 9. Required for OpenSLES.
Cleaned up rdpsnd for android, prepared volume control.