[ASan] move replacements for new/delete to separate file

git-svn-id: https://llvm.org/svn/llvm-project/compiler-rt/trunk@154167 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/asan/asan_internal.h b/lib/asan/asan_internal.h
index 90442c5..3e9faa8 100644
--- a/lib/asan/asan_internal.h
+++ b/lib/asan/asan_internal.h
@@ -155,6 +155,7 @@
 // asan_globals.cc
 bool DescribeAddrIfGlobal(uintptr_t addr);
 
+void ReplaceOperatorsNewAndDelete();
 // asan_malloc_linux.cc / asan_malloc_mac.cc
 void ReplaceSystemMalloc();