sound: Apply device changes

Was missing the code to actually apply the changes.
11 jobs for <span class="ref-name">sound-apply-device-change</span> in 3 minutes and 55 seconds (queued for 3 seconds)
Status Job ID Name Coverage
  Build
passed #244815
build

00:01:55

 
  Test
passed #244817
asan

00:01:59

passed #244816
test

00:01:41

 
  Manual
manual #244822
allowed to fail manual
armv8
manual #244818
allowed to fail manual
flatpak
manual #244821
allowed to fail manual
msan
manual #244823
allowed to fail manual
ppc64le
manual #244819
allowed to fail manual
tsan
manual #244820
allowed to fail manual
ubsan
 
  Review
manual #244824
allowed to fail manual
review
manual #244825
allowed to fail manual
stop_review