CoreAudio macOS xcode13.0 beta3

#CoreAudio.framework https://github.com/xamarin/xamarin-macios/pull/12463

diff -ruN /Applications/Xcode_13.0.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreAudio.framework/Headers/AudioHardwareBase.h /Applications/Xcode_13.0.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreAudio.framework/Headers/AudioHardwareBase.h
--- /Applications/Xcode_13.0.0-beta2.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreAudio.framework/Headers/AudioHardwareBase.h	2021-06-17 14:33:40.000000000 -0400
+++ /Applications/Xcode_13.0.0-beta3.app/Contents/Developer/Platforms/MacOSX.platform/Developer/SDKs/MacOSX.sdk/System/Library/Frameworks/CoreAudio.framework/Headers/AudioHardwareBase.h	2021-07-10 09:47:22.000000000 -0400
@@ -141,6 +141,8 @@
                         The AudioObjectID passed to the function doesn't map to a valid AudioStream.
     @constant       kAudioHardwareUnsupportedOperationError
                         The AudioObject doesn't support the requested operation.
+    @constant       kAudioHardwareNotReadyError
+                        The AudioObject isn't ready to do the requested operation.
     @constant       kAudioDeviceUnsupportedFormatError
                         The AudioStream doesn't support the requested format.
     @constant       kAudioDevicePermissionsError
@@ -159,6 +161,7 @@
     kAudioHardwareBadDeviceError            = '!dev',
     kAudioHardwareBadStreamError            = '!str',
     kAudioHardwareUnsupportedOperationError = 'unop',
+	kAudioHardwareNotReadyError             = 'nrdy',
     kAudioDeviceUnsupportedFormatError      = '!dat',
     kAudioDevicePermissionsError            = '!hog'
 };