message: fix test failure of ColorCvtRGB2Gray
  - update parameter in carotene
diff: @@ -49,12 +49,12 @@ namespace {
  enum
  {
  - SHIFT = 14,
  + SHIFT = 15,
  SHIFT_DELTA = 1 << (SHIFT - 1),
  - R2Y_BT601 = 4899,
  - G2Y_BT601 = 9617,
  - B2Y_BT601 = 1868,
  + R2Y_BT601 = 9798,
  + G2Y_BT601 = 19235,
  + B2Y_BT601 = 3735,
  R2Y_BT709 = 3483,
  G2Y_BT709 = 11718,
  