audio: update uapi header location

From kernel 5.4, uapi header location has been updated.
Add path includes to the updated location of uapi headers.

Change-Id: I21cdf51bd135b088379e74db6340a0a0c1ccd352
diff --git a/post_proc/Android.mk b/post_proc/Android.mk
index ded37f2..83a11a0 100644
--- a/post_proc/Android.mk
+++ b/post_proc/Android.mk
@@ -80,6 +80,7 @@
         external/tinyalsa/include \
         vendor/qcom/opensource/audio-hal/primary-hal/hal \
         $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include \
+        $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include/audio \
 	$(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include \
         $(call include-path-for, audio-effects) \
         vendor/qcom/opensource/audio-hal/primary-hal/hal/audio_extn/
@@ -192,6 +193,7 @@
 LOCAL_C_INCLUDES := \
         vendor/qcom/opensource/audio-hal/primary-hal/hal \
         $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include \
+        $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include/audio \
         $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/techpack/audio/include \
         external/tinyalsa/include \
         $(call include-path-for, audio-effects) \