Various small fixes

Change-Id: I83802169d0d968f7b88d4be2cedba74b15fdd7da
diff --git a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
index 03bfc55..67066fd 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/device/impl/GossipDeviceStore.java
@@ -318,7 +318,7 @@
                     ? deviceClockService.getTimestamp(deviceId)
                     : removalRequest.getOrDefault(deviceId, DEFAULT_TIMESTAMP);
         } catch (IllegalStateException e) {
-            newTimestamp = removalRequest.getOrDefault(deviceDescription, DEFAULT_TIMESTAMP);
+            newTimestamp = removalRequest.getOrDefault(deviceId, DEFAULT_TIMESTAMP);
             isMaster = false;
         }
         final Timestamped<DeviceDescription> deltaDesc = new Timestamped<>(deviceDescription, newTimestamp);
diff --git a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java
index 14ed0ed..e5ed75b 100644
--- a/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java
+++ b/core/store/dist/src/main/java/org/onosproject/store/resource/impl/ConsistentResourceStore.java
@@ -63,6 +63,7 @@
 
 import static com.google.common.base.Preconditions.checkArgument;
 import static com.google.common.base.Preconditions.checkNotNull;
+import static java.util.stream.Collectors.groupingBy;
 import static org.onosproject.net.resource.ResourceEvent.Type.RESOURCE_ADDED;
 import static org.onosproject.net.resource.ResourceEvent.Type.RESOURCE_REMOVED;
 
@@ -132,7 +133,7 @@
             // the order is preserved by LinkedHashMap
             Map<DiscreteResource, List<Resource>> resourceMap = resources.stream()
                     .filter(x -> x.parent().isPresent())
-                    .collect(Collectors.groupingBy(x -> x.parent().get(), LinkedHashMap::new, Collectors.toList()));
+                    .collect(groupingBy(x -> x.parent().get(), LinkedHashMap::new, Collectors.<Resource>toList()));
 
             TransactionalDiscreteResourceSubStore discreteTxStore = discreteStore.transactional(tx);
             TransactionalContinuousResourceSubStore continuousTxStore = continuousStore.transactional(tx);