Copy platforms and samples from ndk/ source tree.

The idea is to allow developing the NDK in the open, while
having the platforms and samples under a private branch until
the corresponding release are open-sourced.

Change-Id: Iee995fb6c4d3ee1387dea7486e599e079c9e4c6d

ndk/platforms/android-4/arch-arm/usr/include/new

@@ -0,0 +1,29 @@
+#ifndef __NEW__
+#define __NEW__
+
+#include <stddef.h>
+
+namespace std {
+    using ::size_t;
+
+    struct nothrow_t {};
+    extern const nothrow_t nothrow;
+}
+
+void* operator new(std::size_t);
+void* operator new[](std::size_t);
+void  operator delete(void*);
+void  operator delete[](void*);
+void* operator new(std::size_t, const std::nothrow_t&);
+void* operator new[](std::size_t, const std::nothrow_t&);
+void  operator delete(void*, const std::nothrow_t&);
+void  operator delete[](void*, const std::nothrow_t&);
+
+inline void* operator new(std::size_t, void* p) { return p; }
+inline void* operator new[](std::size_t, void* p) { return p; }
+
+// these next two are not really required, since exceptions are off
+inline void  operator delete(void*, void*) { }
+inline void  operator delete[](void*, void*) { }
+
+#endif // __NEW__