Add API notes for a few poorly-imported CoreLocation APIs. (#2794)

rdar://problem/26526454
(cherry picked from commit 4091e54)

Author: jrose-apple

apinotes/CoreLocation.apinotes

@@ -0,0 +1,22 @@
+---
+Name: CoreLocation
+Classes:
+- Name: CLPlacemark
+  Properties:
+  - Name: ISOcountryCode
+    SwiftName: isoCountryCode
+Protocols:
+- Name: CLLocationManagerDelegate
+  Methods:
+  - Selector: 'locationManager:didUpdateLocations:'
+    SwiftName: 'locationManager(_:didUpdateLocations:)'
+    MethodKind: Instance
+  - Selector: 'locationManager:didUpdateHeading:'
+    SwiftName: 'locationManager(_:didUpdateHeading:)'
+    MethodKind: Instance
+  - Selector: 'locationManager:didEnterRegion:'
+    SwiftName: 'locationManager(_:didEnterRegion:)'
+    MethodKind: Instance
+  - Selector: 'locationManager:didChangeAuthorization:'
+    SwiftName: 'locationManager(_:didChangeAuthorization:)'
+    MethodKind: Instance