Sliced out Provider-ish API from ClockService

Change-Id: I438815f2dc7a3a304f7dc8fb09550b2a5f779265
diff --git a/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/NoOpClockProviderService.java b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/NoOpClockProviderService.java
new file mode 100644
index 0000000..ff4b31a
--- /dev/null
+++ b/core/store/trivial/src/main/java/org/onlab/onos/store/trivial/impl/NoOpClockProviderService.java
@@ -0,0 +1,20 @@
+package org.onlab.onos.store.trivial.impl;
+
+import org.apache.felix.scr.annotations.Component;
+import org.apache.felix.scr.annotations.Service;
+import org.onlab.onos.cluster.MastershipTerm;
+import org.onlab.onos.net.DeviceId;
+import org.onlab.onos.store.ClockProviderService;
+
+//FIXME: Code clone in onos-core-trivial, onos-core-hz-net
+/**
+ * Dummy implementation of {@link ClockProviderService}.
+ */
+@Component(immediate = true)
+@Service
+public class NoOpClockProviderService implements ClockProviderService {
+
+    @Override
+    public void setMastershipTerm(DeviceId deviceId, MastershipTerm term) {
+    }
+}