Merge pull request #25048 from gottesmm/swift-5.1-branch-rdar50898688

[test] Disable inherits_NSObject.swift on watchOS.

Author: gottesmm

validation-test/Reflection/inherits_NSObject.swift

@@ -7,6 +7,10 @@
 // REQUIRES: objc_interop
 // REQUIRES: executable_test
 
+// REQUIRES: OS=macosx || OS=ios || OS=tvos
+// NOTE: Test is temporarily disabled for watchOS until we can figure out why
+// it's failing there. rdar://problem/50898688
+
 import Foundation
 import simd