Fix up after rebase

Signed-off-by: Ed Hillmann <edhillmann@yahoo.com>

Author: hildo

CedarJava/src/main/java/com/cedarpolicy/model/PartialAuthorizationRequest.java

@@ -160,7 +160,7 @@ public Builder context(Map<String, Value> context) {
         }
 
         public Builder context(Context context) {
-            this.context = Optional.of(ImmutableMap.copyOf(context.getContext()));
+            this.context = Optional.of(Map.copyOf(context.getContext()));
             return this;
         }