[APU] Switched to New XMA decoder as default

- Added codepath for "consume only" pass. This should resolve constant clicking in Source engine games.
- Added smaller performance improvements to decoder

src/xenia/apu/xma_decoder.cc

@@ -54,7 +54,7 @@ extern "C" {
 DEFINE_bool(ffmpeg_verbose, false, "Verbose FFmpeg output (debug and above)",
             "APU");
 
-DEFINE_bool(use_new_decoder, false,
+DEFINE_bool(use_new_decoder, true,
             "Enables usage of new experimental XMA audio decoder.", "APU");
 
 DEFINE_bool(use_dedicated_xma_thread, true,
@@ -62,6 +62,8 @@ DEFINE_bool(use_dedicated_xma_thread, true,
             "better results, but decrease performance a bit.",
             "APU");
 
+UPDATE_from_bool(use_new_decoder, 2025, 12, 01, 23, false);
+
 namespace xe {
 namespace apu {