CoreMotion watchOS xcode13.0 beta5

#CoreMotion.framework https://github.com/xamarin/xamarin-macios/pull/12448

diff -ruN /Applications/Xcode_13.0.0-beta4.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManager.h /Applications/Xcode_13.0.0-beta5.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManager.h
--- /Applications/Xcode_13.0.0-beta4.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManager.h	2021-07-23 13:31:25.000000000 -0400
+++ /Applications/Xcode_13.0.0-beta5.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManager.h	2021-08-06 23:45:57.000000000 -0400
@@ -29,7 +29,7 @@
  *  Discussion:
  *    The CMHeadphoneMotionManager object is your entry point to the headphone motion service.
  */
-COREMOTION_EXPORT API_AVAILABLE(ios(14.0))
+COREMOTION_EXPORT API_AVAILABLE(ios(14.0)) API_UNAVAILABLE(macos)
 @interface CMHeadphoneMotionManager : NSObject
 
 /*
diff -ruN /Applications/Xcode_13.0.0-beta4.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManagerDelegate.h /Applications/Xcode_13.0.0-beta5.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManagerDelegate.h
--- /Applications/Xcode_13.0.0-beta4.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManagerDelegate.h	2021-07-23 13:31:26.000000000 -0400
+++ /Applications/Xcode_13.0.0-beta5.app/Contents/Developer/Platforms/WatchOS.platform/Developer/SDKs/WatchOS.sdk/System/Library/Frameworks/CoreMotion.framework/Headers/CMHeadphoneMotionManagerDelegate.h	2021-08-06 23:45:57.000000000 -0400
@@ -18,7 +18,7 @@
  *  Discussion:
  *    Delegate for CMHeadphoneMotionManager.
  */
-COREMOTION_EXPORT API_AVAILABLE(ios(14.0))
+COREMOTION_EXPORT API_AVAILABLE(ios(14.0)) API_UNAVAILABLE(macos)
 @protocol CMHeadphoneMotionManagerDelegate<NSObject>
 
 @optional