[scudo] Fix QuarantineChunksUpToSize failing test on AArch64

[cryptoad]

Summary

Warm-up the other 2 sizes used by the tests, which should get rid of a failure
on AArch64.

test/scudo/quarantine.cpp

int main(int argc, char **argv)
   void *p, *old_p;
   size_t allocated_bytes, size = 1U << 8, alignment = 1U << 8;
 
   assert(argc == 2);
   // First, warm up the allocator for the classes used.
   p = malloc(size);
   assert(p);
   free(p);
+  p = malloc(size + 1);
+  assert(p);
+  free(p);
   assert(posix_memalign(&p, alignment, size) == 0);
   assert(p);
   free(p);
+  assert(posix_memalign(&p, alignment, size + 1) == 0);
+  assert(p);
+  free(p);
 
   if (!strcmp(argv[1], "zeroquarantine")) {
     // Verifies that a chunk is deallocated right away when the local and
     // global quarantine sizes are 0.
     allocated_bytes = __sanitizer_get_current_allocated_bytes();
     p = malloc(size);
     assert(p);
     assert(__sanitizer_get_current_allocated_bytes() > allocated_bytes);