message: Fix the testGetKeyManager_legacy_wrongType_shouldThrowException for Java 11.
  The message in the exception has changed. We make the matching less specific.
diff: @@ -152,7 +152,8 @@ public class RegistryTest {
  Aead unused = wrongType.getPrimitive(hmacKey);
  fail("Expected ClassCastException");
  } catch (ClassCastException e) {
  - assertExceptionContains(e, "MacJce cannot be cast to com.google.crypto.tink.Aead");
  + assertExceptionContains(e, "com.google.crypto.tink.Aead");
  + assertExceptionContains(e, "com.google.crypto.tink.subtle.MacJce");
  }
  }
  