audio: Drop LOCAL_COPY_HEADERS usage

LOCAL_COPY_HEADERS is deprecated, so remove all its usages
to avoid build warnings.

Change-Id: I4c52508e9109c5f448653fd5613a8991d28bbb2e
diff --git a/hal/Android.mk b/hal/Android.mk
index b1c503b..e2c685a 100644
--- a/hal/Android.mk
+++ b/hal/Android.mk
@@ -353,8 +353,7 @@
 LOCAL_CFLAGS += -D_GNU_SOURCE
 LOCAL_CFLAGS += -Wall -Werror
 
-LOCAL_COPY_HEADERS_TO   := mm-audio
-LOCAL_COPY_HEADERS      := audio_extn/audio_defs.h
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)
 
 ifeq ($(strip $(AUDIO_FEATURE_ENABLED_GCOV)),true)
     LOCAL_CFLAGS += --coverage -fprofile-arcs -ftest-coverage
diff --git a/qahw/Android.mk b/qahw/Android.mk
index a64b913..d4bfd20 100644
--- a/qahw/Android.mk
+++ b/qahw/Android.mk
@@ -5,11 +5,9 @@
 
 include $(CLEAR_VARS)
 
-libqahw-inc := $(LOCAL_PATH)/inc
-
 LOCAL_MODULE := libqahwwrapper
 LOCAL_MODULE_TAGS := optional
-LOCAL_C_INCLUDES   := $(libqahw-inc)
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/inc
 
 LOCAL_SRC_FILES := \
     src/qahw.c \
@@ -23,19 +21,17 @@
 
 LOCAL_CFLAGS += -Wall -Werror
 
-LOCAL_COPY_HEADERS_TO   := mm-audio/qahw/inc
-LOCAL_COPY_HEADERS      := inc/qahw.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_api.h
-
 LOCAL_PRELINK_MODULE    := false
 LOCAL_VENDOR_MODULE     := true
 
 include $(BUILD_SHARED_LIBRARY)
 
 include $(CLEAR_VARS)
-LOCAL_COPY_HEADERS_TO   := mm-audio/qahw_api/inc
-LOCAL_COPY_HEADERS      := inc/qahw_defs.h
 
-include $(BUILD_COPY_HEADERS)
+LOCAL_MODULE := libqahw_headers
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/inc
+LOCAL_PROPRIETARY_MODULE := true
+
+include $(BUILD_HEADER_LIBRARY)
 endif
 endif
diff --git a/qahw_api/Android.mk b/qahw_api/Android.mk
index 1cad75d..e1538ef 100644
--- a/qahw_api/Android.mk
+++ b/qahw_api/Android.mk
@@ -4,12 +4,9 @@
 
 include $(CLEAR_VARS)
 
-libqahwapi-inc := $(LOCAL_PATH)/inc
-
 LOCAL_MODULE := libqahw
 LOCAL_MODULE_TAGS := optional
-LOCAL_C_INCLUDES   := $(libqahwapi-inc)
-LOCAL_C_INCLUDES += $(TARGET_OUT_HEADERS)/mm-audio/qahw/inc
+LOCAL_C_INCLUDES := $(LOCAL_PATH)/inc
 
 LOCAL_SRC_FILES := \
     src/qahw_api.cpp
@@ -20,6 +17,9 @@
 LOCAL_STATIC_LIBRARIES += libprofile_rt
 endif
 
+LOCAL_HEADER_LIBRARIES := \
+    libqahw_headers
+
 LOCAL_SHARED_LIBRARIES := \
     liblog \
     libcutils \
@@ -29,21 +29,19 @@
 
 LOCAL_CFLAGS += -Wall -Werror
 
-LOCAL_COPY_HEADERS_TO   := mm-audio/qahw_api/inc
-LOCAL_COPY_HEADERS      := inc/qahw_api.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_audiosphere.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_bassboost.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_environmentalreverb.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_equalizer.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_presetreverb.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_virtualizer.h
-LOCAL_COPY_HEADERS      += inc/qahw_effect_visualizer.h
-
 LOCAL_PRELINK_MODULE    := false
 LOCAL_VENDOR_MODULE     := true
 
 include $(BUILD_SHARED_LIBRARY)
 
+include $(CLEAR_VARS)
+
+LOCAL_MODULE := libqahwapi_headers
+LOCAL_EXPORT_C_INCLUDE_DIRS := $(LOCAL_PATH)/inc
+LOCAL_PROPRIETARY_MODULE := true
+
+include $(BUILD_HEADER_LIBRARY)
+
 #test app compilation
 include $(LOCAL_PATH)/test/Android.mk
 
diff --git a/qahw_api/test/Android.mk b/qahw_api/test/Android.mk
index cca72f8..bd2f69d 100644
--- a/qahw_api/test/Android.mk
+++ b/qahw_api/test/Android.mk
@@ -7,12 +7,14 @@
                    qahw_effect_test.c
 LOCAL_MODULE := hal_play_test
 
-hal-play-inc     = $(TARGET_OUT_HEADERS)/mm-audio/qahw_api/inc
-hal-play-inc    += $(TARGET_OUT_HEADERS)/mm-audio/qahw/inc
 hal-play-inc    += external/tinyalsa/include
 
 LOCAL_CFLAGS += -Wall -Werror -Wno-sign-compare
 
+LOCAL_HEADER_LIBRARIES := \
+    libqahw_headers \
+    libqahwapi_headers
+
 LOCAL_SHARED_LIBRARIES := \
     libaudioutils\
     libqahw \
@@ -39,6 +41,10 @@
 LOCAL_SRC_FILES := qahw_multi_record_test.c
 LOCAL_MODULE := hal_rec_test
 LOCAL_CFLAGS += -Wall -Werror -Wno-sign-compare
+
+LOCAL_HEADER_LIBRARIES := \
+    libqahwapi_headers
+
 LOCAL_SHARED_LIBRARIES := \
     libaudioutils \
     libqahw \
@@ -46,9 +52,6 @@
 
 LOCAL_32_BIT_ONLY := true
 
-hal-rec-inc     = $(TARGET_OUT_HEADERS)/mm-audio/qahw_api/inc
-
-LOCAL_C_INCLUDES += $(hal-rec-inc)
 LOCAL_VENDOR_MODULE := true
 
 include $(BUILD_EXECUTABLE)