Port SkUtils opts to SkOpts.

src/opts/SkUtils_opts_arm.cpp

-/*
- * Copyright 2014 ARM Ltd.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkUtils.h"
-#include "SkUtilsArm.h"
-
-void sk_memset16_neon(uint16_t dst[], uint16_t value, int count);
-void sk_memset32_neon(uint32_t dst[], uint32_t value, int count);
-
-SkMemset16Proc SkMemset16GetPlatformProc() {
-#if SK_ARM_NEON_IS_ALWAYS
-    return sk_memset16_neon;
-#elif SK_ARM_NEON_IS_DYNAMIC
-    return sk_cpu_arm_has_neon() ? sk_memset16_neon : nullptr;
-#else
-    return nullptr;
-#endif
-}
-
-SkMemset32Proc SkMemset32GetPlatformProc() {
-#if SK_ARM_NEON_IS_ALWAYS
-    return sk_memset32_neon;
-#elif SK_ARM_NEON_IS_DYNAMIC
-    return sk_cpu_arm_has_neon() ? sk_memset32_neon : nullptr;
-#else
-    return nullptr;
-#endif
-}