hal: set proper bitwidth and format values

Set bitwidth as per the value in offloadInfo and
define the values of audio formats to be consistent
with those in audio.h.

Change-Id: I49a3355eb51a4ba2fdcef0e68482ee5078e7798a
diff --git a/policy_hal/Android.mk b/policy_hal/Android.mk
index 04f58f9..2ef080b 100644
--- a/policy_hal/Android.mk
+++ b/policy_hal/Android.mk
@@ -43,6 +43,10 @@
        LOCAL_CFLAGS += -DPCM_OFFLOAD_ENABLED_24
 endif
 
+ifeq ($(strip $(AUDIO_FEATURE_ENABLED_EXTN_FORMATS)),true)
+    LOCAL_CFLAGS += -DAUDIO_EXTN_FORMATS_ENABLED
+endif
+
 LOCAL_MODULE := libaudiopolicymanager
 
 include $(BUILD_SHARED_LIBRARY)