Mojo: Move mojo/public/bindings/tests/*.mojom to mojo/public/interfaces/bindings/tests/.

mojo/public/interfaces/bindings/tests/sample_import2.mojom

 // Copyright 2014 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 import "sample_import.mojom"
 
 module imported {
 
 // This sample adds more types and constants to the "imported" namespace,
 // to test a bug with importing multiple modules with the same namespace.
 
 enum Color {
   COLOR_RED,
   COLOR_BLACK,
 };
 
 struct Size {
   int32 width;
   int32 height;
 };
 
 struct Thing {
   imported.Shape shape = SHAPE_RECTANGLE;
   int32 color = COLOR_BLACK;
   Point location = {0, 0};
   Size size;
 };
 
 }  // module imported