[avfoundation] Add missing protocol members and deprecations (#2691)

!missing-protocol-member! AVCapturePhotoCaptureDelegate::captureOutput:didFinishProcessingPhoto:error: not found

and the selector removed from PR#2687 was actually replaced with this one

!missing-protocol-member! AVAssetDownloadDelegate::URLSession:aggregateAssetDownloadTask:didLoadTimeRange:totalTimeRangesLoaded:timeRangeExpectedToLoad:forMediaSelection: not found

src/avfoundation.cs

@@ -8987,12 +8987,18 @@ namespace XamCore.AVFoundation {
 		[Export ("captureOutput:didCapturePhotoForResolvedSettings:")]
 		void DidCapturePhoto (AVCapturePhotoOutput captureOutput, AVCaptureResolvedPhotoSettings resolvedSettings);
 
+		[Deprecated (PlatformName.iOS, 11,0, message: "Use the 'DidFinishProcessingPhoto' overload accepting a 'AVCapturePhoto' instead.")]
 		[Export ("captureOutput:didFinishProcessingPhotoSampleBuffer:previewPhotoSampleBuffer:resolvedSettings:bracketSettings:error:")]
 		void DidFinishProcessingPhoto (AVCapturePhotoOutput captureOutput, [NullAllowed] CMSampleBuffer photoSampleBuffer, [NullAllowed] CMSampleBuffer previewPhotoSampleBuffer, AVCaptureResolvedPhotoSettings resolvedSettings, [NullAllowed] AVCaptureBracketedStillImageSettings bracketSettings, [NullAllowed] NSError error);
 
+		[Deprecated (PlatformName.iOS, 11,0, message: "Use the 'DidFinishProcessingPhoto' overload accepting a 'AVCapturePhoto' instead.")]
 		[Export ("captureOutput:didFinishProcessingRawPhotoSampleBuffer:previewPhotoSampleBuffer:resolvedSettings:bracketSettings:error:")]
 		void DidFinishProcessingRawPhoto (AVCapturePhotoOutput captureOutput, [NullAllowed] CMSampleBuffer rawSampleBuffer, [NullAllowed] CMSampleBuffer previewPhotoSampleBuffer, AVCaptureResolvedPhotoSettings resolvedSettings, [NullAllowed] AVCaptureBracketedStillImageSettings bracketSettings, [NullAllowed] NSError error);
 
+		[iOS (11,0)]
+		[Export ("captureOutput:didFinishProcessingPhoto:error:")]
+		void DidFinishProcessingPhoto (AVCapturePhotoOutput output, AVCapturePhoto photo, [NullAllowed] NSError error);
+
 		[Export ("captureOutput:didFinishRecordingLivePhotoMovieForEventualFileAtURL:resolvedSettings:")]
 		void DidFinishRecordingLivePhotoMovie (AVCapturePhotoOutput captureOutput, NSUrl outputFileUrl, AVCaptureResolvedPhotoSettings resolvedSettings);
 
@@ -11526,6 +11532,7 @@ namespace XamCore.AVFoundation {
 	interface IAVAssetDownloadDelegate {}
 
 	[NoTV]
+	[NoMac]
 	[NoWatch]
 	[iOS (9,0)]
 	[Protocol, Model]
@@ -11541,13 +11548,17 @@ namespace XamCore.AVFoundation {
 		[Export ("URLSession:assetDownloadTask:didFinishDownloadingToURL:")]
 		void DidFinishDownloadingToUrl (NSUrlSession session, AVAssetDownloadTask assetDownloadTask, NSUrl location);
 
-		[NoWatch, NoMac, NoTV, iOS (11,0)]
+		[iOS (11,0)]
 		[Export ("URLSession:aggregateAssetDownloadTask:willDownloadToURL:")]
 		void WillDownloadToUrl (NSUrlSession session, AVAggregateAssetDownloadTask aggregateAssetDownloadTask, NSUrl location);
 
-		[NoWatch, NoMac, NoTV, iOS (11,0)]
+		[iOS (11,0)]
 		[Export ("URLSession:aggregateAssetDownloadTask:didCompleteForMediaSelection:")]
 		void DidCompleteForMediaSelection (NSUrlSession session, AVAggregateAssetDownloadTask aggregateAssetDownloadTask, AVMediaSelection mediaSelection);
+
+		[iOS (11,0)]
+		[Export ("URLSession:aggregateAssetDownloadTask:didLoadTimeRange:totalTimeRangesLoaded:timeRangeExpectedToLoad:forMediaSelection:")]
+		void DidLoadTimeRange (NSUrlSession session, AVAggregateAssetDownloadTask aggregateAssetDownloadTask, CMTimeRange timeRange, NSValue[] loadedTimeRanges, CMTimeRange timeRangeExpectedToLoad, AVMediaSelection mediaSelection);
 	}
 
 #endif