Initial import of CFM and SOAM api 1.10

Change-Id: Icf5cc2d5fb34b75460e80e8cced0d70265bcd33b

Minor changes to get CFM and SOAM patch work on 1.10

Change-Id: Ibd90fdeaf143f4cfdc98f7e6eb28bfa55f471e4b
diff --git a/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/loss/LossAvailabilityStatHistory.java b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/loss/LossAvailabilityStatHistory.java
new file mode 100644
index 0000000..49beef5
--- /dev/null
+++ b/incubator/api/src/main/java/org/onosproject/incubator/net/l2monitoring/soam/loss/LossAvailabilityStatHistory.java
@@ -0,0 +1,45 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.incubator.net.l2monitoring.soam.loss;
+
+import java.time.Instant;
+
+import org.onosproject.incubator.net.l2monitoring.soam.SoamId;
+
+/**
+ * Object for representing Loss Availability Stats History.
+ * Extends {@link org.onosproject.incubator.net.l2monitoring.soam.loss.LossAvailabilityStat}
+ */
+public interface LossAvailabilityStatHistory extends LossAvailabilityStat {
+    /**
+     * The identifier of the historic measurement.
+     * @return The id
+     */
+    SoamId historyStatsId();
+
+    /**
+     * The time that the historic Measurement Interval ended.
+     * @return A java Instant
+     */
+    Instant endTime();
+
+    /**
+     * Builder for {@link org.onosproject.incubator.net.l2monitoring.soam.loss.LossAvailabilityStatHistory}.
+     */
+    public interface LaStatHistoryBuilder extends LaStatBuilder {
+        LossAvailabilityStatHistory build();
+    }
+}