add/fix copyrights

src/opts/SkBlitMask_opts_arm_neon.cpp

+/*
+ * 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 "SkBlitMask.h"
 #include "SkColor_opts_neon.h"
 
 static void D32_A8_Black_neon(void* SK_RESTRICT dst, size_t dstRB,
                               const void* SK_RESTRICT maskPtr, size_t maskRB,
                               SkColor, int width, int height) {
     SkPMColor* SK_RESTRICT device = (SkPMColor*)dst;
     const uint8_t* SK_RESTRICT mask = (const uint8_t*)maskPtr;
 
@@ skipping 234 matching lines @@
 
         dst += 8;
         src += 8;
         width -= 8;
     }
 
     for (int i = 0; i < width; i++) {
         dst[i] = SkBlendLCD16(colA, colR, colG, colB, dst[i], src[i]);
     }
 }