[libFuzzer] [NFC] Support multi-arch and multi-OS building and testing

Differential Revision: https://reviews.llvm.org/D47296

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk/lib/fuzzer@334768 91177308-0d34-0410-b5e6-96231b3b80d8
2 files changed