[CoreLocation] Fix misspelled field. Fixes #21641. (#21652)

Fixes https://github.com/xamarin/xamarin-macios/issues/21641.

docs/api/CoreLocation/CLLocationManager.xml

@@ -204,7 +204,7 @@ locationManager.StartRangingBeacons(beaconRegion)
             <term>The <see cref="P:CoreLocation.CLLocationManager.Delegate" /> property must be assigned to an object whose class implements the <see cref="M:CoreLocation.CLLocationManagerDelegate.LocationsUpdated(CoreLocation.CLLocationManager,CoreLocation.CLLocation[])" /> method.</term>
           </item>
           <item>
-            <term>The <see cref="P:CoreLocation.CLLocationManager.DesiredAccuracy" /> property must be set to <see cref="P:CoreLocation.CLLocation.AccuracyBest" /> or <see cref="P:CoreLocation.CLLocation.AccurracyBestForNavigation" />.</term>
+            <term>The <see cref="P:CoreLocation.CLLocationManager.DesiredAccuracy" /> property must be set to <see cref="P:CoreLocation.CLLocation.AccuracyBest" /> or <see cref="P:CoreLocation.CLLocation.AccuracyBestForNavigation" />.</term>
           </item>
         </list>
         <para>If those conditions are satisfied, the application can request deferred delivery when backgrounded by calling the <see cref="M:CoreLocation.CLLocationManager.AllowDeferredLocationUpdatesUntil(System.Double,System.Double)" /> method.</para>

src/corelocation.cs

@@ -194,8 +194,14 @@ namespace CoreLocation {
 		[Field ("kCLErrorUserInfoAlternateRegionKey")]
 		NSString ErrorUserInfoAlternateRegionKey { get; }
 
+#if !XAMCORE_5_0
+		[Obsolete ("Use 'AccuracyBestForNavigation' instead.")]
 		[Field ("kCLLocationAccuracyBestForNavigation")]
 		double AccurracyBestForNavigation { get; }
+#endif
+
+		[Field ("kCLLocationAccuracyBestForNavigation")]
+		double AccuracyBestForNavigation { get; }
 
 		[Field ("kCLLocationAccuracyBest")]
 		double AccuracyBest { get; }

tests/cecil-tests/Documentation.KnownFailures.txt

@@ -56747,7 +56747,7 @@ P:CoreLocation.CLLocation.AccuracyKilometer
 P:CoreLocation.CLLocation.AccuracyNearestTenMeters
 P:CoreLocation.CLLocation.AccuracyReduced
 P:CoreLocation.CLLocation.AccuracyThreeKilometers
-P:CoreLocation.CLLocation.AccurracyBestForNavigation
+P:CoreLocation.CLLocation.AccuracyBestForNavigation
 P:CoreLocation.CLLocation.Altitude
 P:CoreLocation.CLLocation.Coordinate
 P:CoreLocation.CLLocation.Course

tests/introspection/ApiTypoTest.cs

@@ -72,7 +72,6 @@ namespace Introspection {
 
 		HashSet<string> allowed = new HashSet<string> () {
 			"Aac",
-			"Accurracy",
 			"Achivements",
 			"Acos",
 			"Acosh",