Fix the samples with the new APIs

samples/Gallery/Shared/Samples/BitmapDecoderSample.cs

@@ -27,7 +27,6 @@ namespace SkiaSharpSample.Samples
 			using (var tf = SKTypeface.FromFamilyName("Arial"))
 			{
 				var info = codec.Info;
-				var encodedInfo = codec.EncodedInfo;
 
 				paint.IsAntialias = true;
 				paint.TextSize = 14;
@@ -57,7 +56,7 @@ namespace SkiaSharpSample.Samples
 						canvas.DrawText(string.Format("Pixels: {0} @ {1}b/px", bitmap.Pixels.Length, bitmap.BytesPerPixel), x, y, paint);
 						y += 20;
 
-						canvas.DrawText(string.Format("Encoding: {0} ({1}) @ {2}-bit color", encodedInfo.Color, encodedInfo.Alpha, encodedInfo.BitsPerComponent), x, y, paint);
+						canvas.DrawText(string.Format("Encoding: {0} ({1}) @ {2}-bit color", info.ColorType, info.AlphaType, info.BitsPerPixel), x, y, paint);
 					}
 				}
 			}

samples/Gallery/Shared/Samples/DecodeGifFramesSample.cs

@@ -63,7 +63,7 @@ namespace SkiaSharpSample.Samples
 		{
 			canvas.Clear(SKColors.Black);
 
-			var opts = new SKCodecOptions(currentFrame, false);
+			var opts = new SKCodecOptions(currentFrame);
 			if (codec?.GetPixels(info, bitmap.GetPixels(), opts) == SKCodecResult.Success)
 			{
 				bitmap.NotifyPixelsChanged();