ndk sample hello-neon: use $(call import-module) to access the 'cpufeatures' library

Change-Id: I29397158de0ccdd89dfe4da72a544fad14a8324e
diff --git a/ndk/samples/hello-neon/jni/Android.mk b/ndk/samples/hello-neon/jni/Android.mk
index a3ca55e..685b01b 100644
--- a/ndk/samples/hello-neon/jni/Android.mk
+++ b/ndk/samples/hello-neon/jni/Android.mk
@@ -11,12 +11,10 @@
     LOCAL_SRC_FILES += helloneon-intrinsics.c.neon
 endif
 
-LOCAL_C_INCLUDES := $(NDK_ROOT)/sources/cpufeatures
-
 LOCAL_STATIC_LIBRARIES := cpufeatures
 
 LOCAL_LDLIBS := -llog
 
 include $(BUILD_SHARED_LIBRARY)
 
-include $(NDK_ROOT)/sources/cpufeatures/Android.mk
+$(call import-module,cpufeatures)