ReactCommon/renderer/scheduler: Migrate uses of NDEBUG to REACT_NATIVE_DEBUG + react_native_assert

Summary:
For better cross-platform consistency, migrate usages of NDEBUG to REACT_NATIVE_DEBUG. See flags.h for explanation.

Changelog: [Internal]

Reviewed By: PeteTheHeat

Differential Revision: D26695253

fbshipit-source-id: b0ff02416ab208dfd71f71c2b3d83009f40be0a9

Author: JoshuaGross

ReactCommon/react/renderer/scheduler/AsynchronousEventBeat.cpp

@@ -7,6 +7,8 @@
 
 #include "AsynchronousEventBeat.h"
 
+#include <react/debug/react_native_assert.h>
+
 namespace facebook {
 namespace react {
 
@@ -23,7 +25,7 @@ AsynchronousEventBeat::AsynchronousEventBeat(
 void AsynchronousEventBeat::activityDidChange(
     RunLoopObserver::Delegate const *delegate,
     RunLoopObserver::Activity activity) const noexcept {
-  assert(delegate == this);
+  react_native_assert(delegate == this);
   induce();
 }