Fix checked-in generated code in Java

[bernardnormier]

We have many checked in "generated" files in Java that need to be fixed.

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/ImplicitContext.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Endpoint.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/RemoteObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/Observer.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/CommunicatorObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/ConnectionState.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/ObserverUpdater.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/ConnectionObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/ChildInvocationObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/InvocationObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/DispatchObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/ThreadObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/ThreadState.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Instrumentation/CollocatedObserver.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/Plugin.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/ToStringMode.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/EndpointSelectionType.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/PluginManager.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/ValueFactoryManager.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/CompressBatch.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/CloseCallback.java
7:// <auto-generated>
13:// </auto-generated>

java/src/com.zeroc.ice/src/main/java/com/zeroc/Ice/ServantLocator.java
7:// <auto-generated>
13:// </auto-generated>