[ASan] make test for LSan annotations Linux-only for now

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@184541 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/lit_tests/TestCases/lsan_annotations.cc b/lib/asan/lit_tests/TestCases/Linux/lsan_annotations.cc
similarity index 100%
rename from lib/asan/lit_tests/TestCases/lsan_annotations.cc
rename to lib/asan/lit_tests/TestCases/Linux/lsan_annotations.cc