nicki: Fixing volumes after glitches patch

– Increase microphone volume in apps – thanks to PecanCM
– Increase earpice volume in voice messengers
– Increase wired headset volume in-call (maybe BT too)
– Increase earpiece volume in-call
– Disable own echo in-call in earpiece
– Fixed non-functional volume rocker in-call until on/off loudspeaker

Change-Id: Idf4984913e00af445cd70db8fb7ab2a93fbed84d