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/qahw_api/test/Android.mk b/qahw_api/test/Android.mk
index 110a765..bc7690d 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 \
@@ -42,6 +44,10 @@
 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 \
@@ -49,9 +55,6 @@
 
 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
 
 ifneq ($(filter kona lahaina holi,$(TARGET_BOARD_PLATFORM)),)