build: Move hardware/qcom/audio back to its original path

* This is a leftover from the early pathmap changes in cm-12.0

Change-Id: Ie1dc738c65cd7ffbf352eb10271b00da0f5ff393
diff --git a/build/core/qcom_target.mk b/build/core/qcom_target.mk
index bb9c02e..dafbef2 100644
--- a/build/core/qcom_target.mk
+++ b/build/core/qcom_target.mk
@@ -30,7 +30,7 @@
     hardware/qcom/wlan-caf/qcwcn/wpa_supplicant_8_lib
 else
 
-$(call project-set-path,qcom-audio,hardware/qcom/audio/default)
+$(call project-set-path,qcom-audio,hardware/qcom/audio)
 $(call project-set-path,qcom-display,hardware/qcom/display/$(TARGET_BOARD_PLATFORM))
 $(call project-set-path,qcom-media,hardware/qcom/media/$(TARGET_BOARD_PLATFORM))