[Sanitizers][Darwin][Test] Mark symbolize_pc test unsupported in Darwin/LSan context

LSan is unsupported on Darwin anyway, and this test fals on public Darwin bots

Differential Revision: https://reviews.llvm.org/D154389

compiler-rt/test/sanitizer_common/TestCases/symbolize_pc.cpp

@@ -5,6 +5,8 @@
 
 // FIXME: Investigate why it does not print GLOBAL_VAR_ABC.
 // XFAIL: hwasan && target=aarch64{{.*}}
+// LSan tests fail on Darwin
+// UNSUPPORTED: darwin && lsan
 
 #include <stdio.h>
 #include <sanitizer/common_interface_defs.h>