[java] Allow Null<NativeArray> to be optimized to use native accessors
[java] Allow Null<NativeArray> to be optimized to use native accessors

pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe,pleclech/hacking-haxe