[asan] Disable TestCases/Linux/asan_rt_confict_test-2.cpp to fix build

TestCases/Linux/asan_rt_confict_test-2.cpp started failing in https://lab.llvm.org/buildbot/#/builders/66/builds/12265/steps/9/logs/stdio
The only change is "[LLD][ELF] Allow merging XO and RX sections, and add --[no-]xosegment flag (#132412)" (2c1bdd4a08). Based on the test case (which deliberately tries to mix static and dynamically linked ASan), I suspect it's actually the test case that needs to be fixed (probably with a different error message check).

This patch disables TestCases/Linux/asan_rt_confict_test-2.cpp to make the buildbots green while I investigate.

compiler-rt/test/asan/TestCases/Linux/asan_rt_confict_test-2.cpp

@@ -5,6 +5,7 @@
 // RUN: %clangxx_asan_static %s %ld_flags_rpath_exe -o %t
 // RUN: not %run %t 2>&1 | FileCheck %s
 
+// UNSUPPORTED: target={{.*}}
 // REQUIRES: asan-dynamic-runtime
 // XFAIL: android