Fixing component properties for various providers.

Change-Id: I909c84958109f61e10a542774a2d4b82c428c0f5
diff --git a/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/OsgiPropertyConstants.java b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/OsgiPropertyConstants.java
new file mode 100644
index 0000000..ab20c03
--- /dev/null
+++ b/providers/lldp/src/main/java/org/onosproject/provider/lldp/impl/OsgiPropertyConstants.java
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2018-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.provider.lldp.impl;
+
+/**
+ * Constants for default values of configurable properties.
+ */
+public final class OsgiPropertyConstants {
+
+    private OsgiPropertyConstants() {}
+
+    public static final String PROP_ENABLED = "enabled";
+    public static final boolean ENABLED_DEFAULT = false;
+
+    public static final String PROP_USE_BDDP = "useBDDP";
+    public static final boolean USE_BDDP_DEFAULT = true;
+
+    public static final String PROP_PROBE_RATE = "probeRate";
+    public static final int PROBE_RATE_DEFAULT = 3000;
+
+    public static final String PROP_STALE_LINK_AGE = "staleLinkAge";
+    public static final int STALE_LINK_AGE_DEFAULT = 10000;
+
+}