Android.mk: make 32bit binary use arm assembly code on 64bit platform

change to use LOCAL_SRC_FILES_arm and LOCAL_CFLAGS_arm instead of
ifeq ($(TARGET_ARCH),arm) check

Change-Id: Iec452e85982ac206ddd9953b0558888aa00d29ea
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
1 file changed