Add qcom/audio CAF variant

Change-Id: I8753bbcc6f498e2bb07bbc90c3ccc3c64acfd0af
diff --git a/default.xml b/default.xml
index 35a431e..c6ffc30 100644
--- a/default.xml
+++ b/default.xml
@@ -243,6 +243,7 @@
   <project path="hardware/libhardware_legacy" name="CyanogenMod/android_hardware_libhardware_legacy" />
   <project path="hardware/msm7k" name="CyanogenMod/android_hardware_msm7k" />
   <project path="hardware/qcom/audio" name="CyanogenMod/android_hardware_qcom_audio" />
+  <project path="hardware/qcom/audio-caf" name="CyanogenMod/android_hardware_qcom_audio-caf" />
   <project path="hardware/qcom/bt" name="CyanogenMod/android_hardware_qcom_bt" />
   <project path="hardware/qcom/camera" name="CyanogenMod/android_hardware_qcom_camera" />
   <project path="hardware/qcom/display" name="CyanogenMod/android_hardware_qcom_display" />