visualizer: Update PCM device id for visualizer

Offload visualizer had a hardcoded PCM device. Since the device
number changed, update the hash define

Change-Id: Ice44a5c8c3dbee6eb04188b661e2b7ea4d056937
CRs-Fixed: 1057902
diff --git a/visualizer/offload_visualizer.c b/visualizer/offload_visualizer.c
index b2f0952..f49c434 100644
--- a/visualizer/offload_visualizer.c
+++ b/visualizer/offload_visualizer.c
@@ -179,7 +179,11 @@
 
 #define MIXER_CARD 0
 #define SOUND_CARD 0
+#ifdef PLATFORM_MSMCOBALT
+#define CAPTURE_DEVICE 7
+#else
 #define CAPTURE_DEVICE 8
+#endif
 
 /* Proxy port supports only MMAP read and those fixed parameters*/
 #define AUDIO_CAPTURE_CHANNEL_COUNT 2