Remove I411 support, update doc and switch to side by side test

include/libyuv/convert_from_argb.h

 /*
  *  Copyright 2012 The LibYuv Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS. All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 105 matching lines @@
                int width, int height);
 
 // Convert ARGB to J422.
 LIBYUV_API
 int ARGBToJ422(const uint8* src_argb, int src_stride_argb,
                uint8* dst_yj, int dst_stride_yj,
                uint8* dst_u, int dst_stride_u,
                uint8* dst_v, int dst_stride_v,
                int width, int height);
 
-// Convert ARGB To I411.
-LIBYUV_API
-int ARGBToI411(const uint8* src_argb, int src_stride_argb,
-               uint8* dst_y, int dst_stride_y,
-               uint8* dst_u, int dst_stride_u,
-               uint8* dst_v, int dst_stride_v,
-               int width, int height);
-
 // Convert ARGB to J400. (JPeg full range).
 LIBYUV_API
 int ARGBToJ400(const uint8* src_argb, int src_stride_argb,
                uint8* dst_yj, int dst_stride_yj,
                int width, int height);
 
 // Convert ARGB to I400.
 LIBYUV_API
 int ARGBToI400(const uint8* src_argb, int src_stride_argb,
                uint8* dst_y, int dst_stride_y,
@@ skipping 37 matching lines @@
 int ARGBToUYVY(const uint8* src_argb, int src_stride_argb,
                uint8* dst_uyvy, int dst_stride_uyvy,
                int width, int height);
 
 #ifdef __cplusplus
 }  // extern "C"
 }  // namespace libyuv
 #endif
 
 #endif  // INCLUDE_LIBYUV_CONVERT_FROM_ARGB_H_