[libFuzzer] Add a dependency on symbolizer from libFuzzer tests

Some libFuzzer tests on Linux would fail with bizarre error messages
unless llvm-symbolizer binary is present.

Differential Revision: https://reviews.llvm.org/D35313

git-svn-id: svn://svn.chromium.org/llvm-project/llvm/trunk/lib/Fuzzer@307826 0b72dbe1-c17f-4bc7-b9db-2b4152be0356
1 file changed