* Adding handling of TextInputClient.onConnectionClosed messages handling to Framework
* Adding more test cases for closing connection to editable_text_test
* fixing analyze error.
* Fixing analyze error in the test file
* Fixing comments on the new method
* Adding more closing connection examples.
* Indentation change
* Remove auto-add white space
* Changing the oncloseconnection behaviour to stop editing. Updating the tests
* Addressing PR comments. Added explicit log for method channnels to the tests. Added comments to the interfaces.
* add more documentation