PhotosUI tvOS xcode13.0 beta1

#PhotosUI.framework https://github.com/xamarin/xamarin-macios/pull/11945

diff -ruN /Applications/Xcode_12.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/PhotosUI.framework/Headers/PHLivePhotoView.h /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/PhotosUI.framework/Headers/PHLivePhotoView.h
--- /Applications/Xcode_12.5.0.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/PhotosUI.framework/Headers/PHLivePhotoView.h	2021-03-16 13:55:30.000000000 -0400
+++ /Applications/Xcode_13.0.0-beta.app/Contents/Developer/Platforms/AppleTVOS.platform/Developer/SDKs/AppleTVOS.sdk/System/Library/Frameworks/PhotosUI.framework/Headers/PHLivePhotoView.h	2021-06-02 05:34:18.000000000 -0400
@@ -56,6 +56,8 @@
 @protocol PHLivePhotoViewDelegate <NSObject>
 @optional
 
+- (BOOL)livePhotoView:(PHLivePhotoView *)livePhotoView canBeginPlaybackWithStyle:(PHLivePhotoViewPlaybackStyle)playbackStyle;
+
 - (void)livePhotoView:(PHLivePhotoView *)livePhotoView willBeginPlaybackWithStyle:(PHLivePhotoViewPlaybackStyle)playbackStyle;
 
 - (void)livePhotoView:(PHLivePhotoView *)livePhotoView didEndPlaybackWithStyle:(PHLivePhotoViewPlaybackStyle)playbackStyle;