Remove the generated_kernel_headers from bt

Desc: Removing the generated_kernel_headers and loading from
out_intermediates/kernel_obj/usr/includes

Issue: FP2P-100
Change-Id: Id2f25c23c31f11afab481de2f833d35fde448554
diff --git a/libbt-vendor/Android.mk b/libbt-vendor/Android.mk
index 091dfec..893341f 100644
--- a/libbt-vendor/Android.mk
+++ b/libbt-vendor/Android.mk
@@ -48,6 +48,8 @@
         system/bt/hci/include \
         $(TARGET_OUT_HEADERS)/bt/hci_qcomm_init
 
+LOCAL_C_INCLUDES += $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ/usr/include
+
 ifeq ($(BOARD_HAS_QCA_BT_AR3002), true)
 LOCAL_C_FLAGS := \
         -DBT_WAKE_VIA_PROC
@@ -62,7 +64,6 @@
         liblog
 
 LOCAL_HEADER_LIBRARIES := \
-        generated_kernel_headers \
         libutils_headers
 
 LOCAL_MODULE := libbt-vendor