Implements acoustic echo cancellation (AEC) in the integration of Windows Audio Session API (WASAPI) using the Voice Capture DSP in source (as opposed to filter) mode.

Conflicts:
	src/org/jitsi/impl/neomedia/jmfext/media/protocol/wasapi/WASAPIStream.java
Handles hotplugging and playback device selections during calls in the Windows Audio Session API (WASAPI) integration when acoustic echo cancellation (AEC) is enabled.

Conflicts:
	src/org/jitsi/impl/neomedia/jmfext/media/protocol/wasapi/WASAPIStream.java