Add missing dependency required for ahat-test.

Change-Id: I8f7afc97a82fadcdd2f18032900f2b8d8b2059bf
Test: rm -r out/ && m ahat-test
Test: rm -r out/ && m build-art-host
Test: rm -r out/ && m build-art-host-tests
Test: rm -r out/ && m build-art-target
Test: rm -r out/ && m build-art-target-tests