Move SkBitmapRegionDecoder to include/android and src/android

tools/android/SkBRDAllocator.h

Index: tools/android/SkBRDAllocator.h
diff --git a/tools/android/SkBRDAllocator.h b/tools/android/SkBRDAllocator.h
deleted file mode 100644
index d587c03f49a68edd82b9994f8a12292c6c569cc5..0000000000000000000000000000000000000000
--- a/tools/android/SkBRDAllocator.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/*
- * Copyright 2015 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkBitmap.h"
-#include "SkCodec.h"
-
-/**
- *  Abstract subclass of SkBitmap's allocator.
- *  Allows the allocator to indicate if the memory it allocates
- *  is zero initialized.
- */
-class SkBRDAllocator : public SkBitmap::Allocator {
-public:
-
-    /**
-     *  Indicates if the memory allocated by this allocator is
-     *  zero initialized.
-     */
-    virtual SkCodec::ZeroInitialized zeroInit() const = 0;
-};