[sink] Clear extra devices when doing voicecall routings. Fixes MER#1544
[sink] Clear extra devices when doing voicecall routings. Fixes MER#1544

As extra device stream operations are not allowed during active voice
call if there is active extra device stream when voice call is started
the extra route may never be cleared causing routing problems during the
call.

As a fix clear all extra routes when doing routing changes during active
voice call.

mer-hybris/pulseaudio-modules-droid,mer-hybris/pulseaudio-modules-droid,jusa/pulseaudio-modules-droid,jusa/pulseaudio-modules-droid