Apparently we can't use atomic_inc/dec version as it
causes more crashes. Revert it.

Revert https://android-git.corp.google.com/g/30606
diff --git a/JavaScriptCore/wtf/Threading.h b/JavaScriptCore/wtf/Threading.h
index 95a0603..bbfe8b5 100644
--- a/JavaScriptCore/wtf/Threading.h
+++ b/JavaScriptCore/wtf/Threading.h
@@ -235,7 +235,6 @@
 inline int atomicDecrement(int volatile* addend) { return OSAtomicDecrement32Barrier(const_cast<int*>(addend)); }
 
 #elif defined ANDROID
-#define WTF_USE_LOCKFREE_THREADSAFESHARED 1
 
 inline void atomicIncrement(int volatile* addend) { android_atomic_inc(addend); }
 inline int atomicDecrement(int volatile* addend) { return android_atomic_dec(addend); }