[Sanitizers] Fix allocator OOM test on Windows.

[alekseyshl]

Summary

Point of failure is different after D34243, hence the change of the
message.

compiler-rt/trunk/test/asan/TestCases/Windows/oom.cc

 // RUN: %clang_cl_asan -O0 %s -Fe%t
 // RUN: not %run %t 2>&1 | FileCheck %s
 // REQUIRES: asan-32-bits
 
 #include <malloc.h>
 
 int main() {
   while (true) {
     void *ptr = malloc(200 * 1024 * 1024);  // 200MB
   }
-// CHECK: failed to allocate
+// CHECK: allocator is terminating the process instead of returning 0
 }