Add more target triples to test
Add more target triples to test

Third and hopefully final fix to test for r299152 that is causing bot
failures: make sure the target triple specified for the ThinLTO backend
clang invocations as well.

git-svn-id: ffe668792ed300d6c2daa1f6eba2e0aa28d7ec6c@299176 91177308-0d34-0410-b5e6-96231b3b80d8

apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,apple/swift-clang,apple/swift-clang,llvm-mirror/clang,llvm-mirror/clang,llvm-mirror/clang,apple/swift-clang