Revert "Check for data races when reading JIT/DEX entries."

This reverts commit 85b5fecec920208ec43b42488f08d4c2e5aaeda2.

Reason for revert: Breaks ART tests, reverting to investigate.

Change-Id: I1bb905407e87cbd4f832646651133a9caf6fcfc8
diff --git a/debuggerd/crash_dump.cpp b/debuggerd/crash_dump.cpp
index 437450c..82ba0a1 100644
--- a/debuggerd/crash_dump.cpp
+++ b/debuggerd/crash_dump.cpp
@@ -48,6 +48,7 @@
 #define ATRACE_TAG ATRACE_TAG_BIONIC
 #include <utils/Trace.h>
 
+#include <unwindstack/DexFiles.h>
 #include <unwindstack/JitDebug.h>
 #include <unwindstack/Maps.h>
 #include <unwindstack/Memory.h>
@@ -566,7 +567,7 @@
 
   // TODO: Use seccomp to lock ourselves down.
   unwindstack::UnwinderFromPid unwinder(256, vm_pid);
-  if (!unwinder.Init()) {
+  if (!unwinder.Init(unwindstack::Regs::CurrentArch())) {
     LOG(FATAL) << "Failed to init unwinder object.";
   }