Makefile cleanup.

LOCAL_ADDITIONAL_DEPENDENCIES := $(THIS_MAKEFILE) is no longer
necessary.

The ifneq ARM block for libdl not only isn't correct (broken for
32-bit arm on an aarch64 device), but is already linked for all
architectures just above.

Change-Id: Ie2ad80b22dbf73e5834be26bccecd4a811ad5ac7
1 file changed