DroidFish: Updates for NDK version r15c.

The minimum required android version had to be changed to 4.0.1.

DroidFish/jni/rtb/move.hpp

@@ -45,7 +45,7 @@ public:
     int promoteTo() const;
 
     /** Not declared "nothrow". Avoids nullptr check in generated assembly code when using placement new. */
-    void* operator new (std::size_t size, void* ptr) { return ptr; }
+    void* operator new (size_t size, void* ptr) { return ptr; }
 
 private:
     /** From square, 0-63. */