[test] Move llvm-dlltool tests into tools/llvm-dlltool. NFC.

A toplevel test directory DllTool isn't consistent with other
similar tools.

Differential Revision: https://reviews.llvm.org/D39513

llvm-svn: 317189

diff --git a/llvm/test/DllTool/coff-decorated.def b/llvm/test/tools/llvm-dlltool/coff-decorated.def
similarity index 100%
rename from llvm/test/DllTool/coff-decorated.def
rename to llvm/test/tools/llvm-dlltool/coff-decorated.def

diff --git a/llvm/test/DllTool/coff-exports.def b/llvm/test/tools/llvm-dlltool/coff-exports.def
similarity index 100%
rename from llvm/test/DllTool/coff-exports.def
rename to llvm/test/tools/llvm-dlltool/coff-exports.def

diff --git a/llvm/test/DllTool/coff-weak-exports.def b/llvm/test/tools/llvm-dlltool/coff-weak-exports.def
similarity index 100%
rename from llvm/test/DllTool/coff-weak-exports.def
rename to llvm/test/tools/llvm-dlltool/coff-weak-exports.def

diff --git a/llvm/test/DllTool/lit.local.cfg b/llvm/test/tools/llvm-dlltool/lit.local.cfg
similarity index 100%
rename from llvm/test/DllTool/lit.local.cfg
rename to llvm/test/tools/llvm-dlltool/lit.local.cfg