磨皮处理不影响alpha通道 更新so库

Author: siwangqishiq

Diff for: imageeditlibrary/jni/photo_processing.c

@@ -567,7 +567,6 @@ void YCbCrToRGB(uint8_t* From, uint8_t* To, int length)
         To[offset] = (uint8_t)Blue;
         To[offset+1] = (uint8_t)Green;
         To[offset+2] = (uint8_t)Red;
-        To[offset+3] = alpha;
     }
 }