audioflinger: Fix compilation when ICS_AUDIO_BLOB is defined

If ICS_AUDIO_BLOB is defined audio_hw_device_t->set_master_mute is not
available.

Change-Id: I1d200a425e5c1d31b947fe6374d4d6514d8af801

Conflicts:
	services/audioflinger/AudioFlinger.cpp

	modified:   services/audioflinger/AudioFlinger.cpp
More ifdefs for ICS audio blobs support

Change-Id: I1e01db9b7cb2da45a3e52aafe7574b689a9c57f4