[client] audio: fix underrun clock recovery

Recover stable local playback in the device clock domain and restart
rate control from the measured feed-forward clock ratio.

Ignore catch-up packet sizing until the normal source cadence returns.

client/tests/CMakeLists.txt

@@ -820,6 +820,7 @@ if(ENABLE_AUDIO)
     provider
     playback-retry
     jitter
+    recovery
     consent
     quiesce
   )