Mixer: Handle write element

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>
Mixer: Set the next elements routes when one failed

Signed-off-by: Paul Kocialkowski <contact@paulk.fr>

Conflicts:

	tinyalsa_audio/mixer.c
galaxys2: libril: remove handling of uusInfo and reenable

Change-Id: I7897a5d36bb5fa51e29f5244ebfbfc81f225f6cf
Merge "Mixer: Handle write element" into cm-10.1
Merge "Mixer: Set the next elements routes when one failed" into cm-10.1
galaxys2: audio: remove some logging

Change-Id: I4c391a74f0f29a1b1a5392546f0b8c39f92c7898
Merge branch 'cm-10.1' into martincz