Revert "hal: Updated DEVICE_IN_PROXY definition"

This reverts commit b339fdf6518820d08628eaa783dcefe939ffa6bf.
Updated device_in_proxy definition in audio.h in consistent with
LA, so this change is no more needed.

CRs-Fixed: 2025113
Change-Id: I239f955f90175a7004a5ec786c5e848f47f7d544
diff --git a/hal/audio_extn/audio_extn.h b/hal/audio_extn/audio_extn.h
index e6e5945..7bc5d2a 100644
--- a/hal/audio_extn/audio_extn.h
+++ b/hal/audio_extn/audio_extn.h
@@ -45,7 +45,7 @@
 #endif
 
 #ifndef AUDIO_DEVICE_IN_PROXY
-#define AUDIO_DEVICE_IN_PROXY (AUDIO_DEVICE_BIT_IN | 0x2000000)
+#define AUDIO_DEVICE_IN_PROXY (AUDIO_DEVICE_BIT_IN | 0x1000000)
 #endif
 
 #ifndef INCALL_MUSIC_ENABLED