Update java changelog

Author: shs96c

java/CHANGELOG

@@ -1,3 +1,19 @@
+v3.10.0
+=======
+
+* Deprecate internal Duration in favor of java.time.Duration
+* Fix handling of IE capabilities in Grid Nodes. Fixes #5502
+* Fix problem where Grid wasn't starting Safari sessions
+* Migrate Selenium Grid to reduce exporting GSON and Apache HttpClient
+  as much to public APIs.
+* Migrate Grid to use Selenium's own abstractions where possible. This
+  means that more of it is using OkHttp rather than the Apache
+  HttpClient.
+* Fix an issue where RemoteProxy instances were causing an exception
+  to be thrown if they weren't marked as a ManagedService.
+* Deleting ability to run html suites with selenium-server-standalone,
+  users are adviced to use htmlrunner
+
 v3.9.1
 ======