[Voice Update] LLVoiceClient

Migrate a bunch of classes out of llvoiceclient.* and into new llvoicevivox.*
Update most of these to match their counterparts
Introduce VoiceFonts support (voice morphing, floater still to come)
Support for a bunch of v3 voice settings.
Move volume settings management from LLMutelist into LLSpeakerVolumeStorage
Support for Avaline mutes (WIP)
Adds voice section to LLAgent
Moved llfloatervoicedevicesettings to llpanelvoicedevicesettings, v3's voice device panel design is more intuitive.

indra/newview/CMakeLists.txt

@@ -260,7 +260,6 @@ set(viewer_SOURCE_FILES
     llfloatertos.cpp
     llfloaterurldisplay.cpp
     llfloaterurlentry.cpp
-    llfloatervoicedevicesettings.cpp
     llfloaterwater.cpp
     llfloaterwindlight.cpp
     llfloaterworldmap.cpp
@@ -378,6 +377,7 @@ set(viewer_SOURCE_FILES
     llpanelplace.cpp
     llpanelprofile.cpp
     llpanelskins.cpp
+    llpanelvoicedevicesettings.cpp
     llpanelvolume.cpp
     llpanelweb.cpp
     llparcelselection.cpp
@@ -523,6 +523,7 @@ set(viewer_SOURCE_FILES
     llvoiceclient.cpp
     llvoiceremotectrl.cpp
     llvoicevisualizer.cpp
+    llvoicevivox.cpp
     llvoinventorylistener.cpp
     llvopartgroup.cpp
     llvosky.cpp
@@ -761,7 +762,6 @@ set(viewer_HEADER_FILES
     llfloatertos.h
     llfloaterurldisplay.h
     llfloaterurlentry.h
-    llfloatervoicedevicesettings.h
     llfloaterwater.h
     llfloaterwindlight.h
     llfloaterworldmap.h
@@ -879,6 +879,7 @@ set(viewer_HEADER_FILES
     llpanelplace.h
     llpanelprofile.h
     llpanelskins.h
+    llpanelvoicedevicesettings.h
     llpanelvolume.h
     llpanelweb.h
     llparcelselection.h
@@ -1029,6 +1030,7 @@ set(viewer_HEADER_FILES
     llvoiceclient.h
     llvoiceremotectrl.h
     llvoicevisualizer.h
+    llvoicevivox.h
     llvoinventorylistener.h
     llvopartgroup.h
     llvosky.h