Adapt to change in Gerrit core

Change I6876624bb in Gerrit core moved the NotifyType class to another
package.

Signed-off-by: Edwin Kempin <ekempin@google.com>
Change-Id: I6df7203e6cc4b24f5cf1a09a82928a03eb2d6a4e
diff --git a/java/com/google/gerrit/plugins/checks/email/CombinedCheckStateUpdatedSender.java b/java/com/google/gerrit/plugins/checks/email/CombinedCheckStateUpdatedSender.java
index 986e0eb..d8f4e73 100644
--- a/java/com/google/gerrit/plugins/checks/email/CombinedCheckStateUpdatedSender.java
+++ b/java/com/google/gerrit/plugins/checks/email/CombinedCheckStateUpdatedSender.java
@@ -23,13 +23,13 @@
 import com.google.common.collect.ImmutableList;
 import com.google.common.collect.ImmutableMap;
 import com.google.gerrit.entities.Change;
+import com.google.gerrit.entities.NotifyConfig.NotifyType;
 import com.google.gerrit.entities.Project;
 import com.google.gerrit.exceptions.EmailException;
 import com.google.gerrit.plugins.checks.Check;
 import com.google.gerrit.plugins.checks.Checker;
 import com.google.gerrit.plugins.checks.api.CheckState;
 import com.google.gerrit.plugins.checks.api.CombinedCheckState;
-import com.google.gerrit.server.account.ProjectWatches.NotifyType;
 import com.google.gerrit.server.mail.send.ChangeEmail;
 import com.google.gerrit.server.mail.send.EmailArguments;
 import com.google.gerrit.server.mail.send.ReplyToChangeSender;