Revert "Remove support for Valgrind in ART."

This reverts commit 8268cb677bd92bfbcfec7e803775c29687494e53.

Reason for revert: ASAN failures

Change-Id: I7e66d3f3fb461ae4f6dea6ec7d506b7dface3402
Test: SANITIZE_HOST=address m test-art-host
Bug: 77856586
Bug: 29282211
diff --git a/runtime/native_stack_dump.cc b/runtime/native_stack_dump.cc
index b3a47c3..14f3f45 100644
--- a/runtime/native_stack_dump.cc
+++ b/runtime/native_stack_dump.cc
@@ -289,10 +289,8 @@
                      ArtMethod* current_method,
                      void* ucontext_ptr,
                      bool skip_frames) {
-  // Historical note: This was disabled when running under Valgrind (b/18119146).
-  // TODO: Valgrind is no longer supported, but Address Sanitizer is:
-  // check whether this test works with ASan.
-  if (kRunningOnMemoryTool) {
+  // b/18119146
+  if (RUNNING_ON_MEMORY_TOOL != 0) {
     return;
   }