Revert "Revert "Added unit tests for the unload change for samsung maple""

This reverts commit aa3f7f1847c1ae0aaa59dfca5fb0074edc14f05a.
Update samsung_maple_unload.js
Removing duplicate test
Rename samsung_maple_unload.js to samsung_maple_unload_test.js
Uncommented if statement for real device testing
Update samsung_maple_unload_test.js
Rename samsung_maple_unload_test.js to samsung_maple_unload.js
Removed unit test and replaced with a warning
Merge pull request #171 from fmtvp/samsung_unload

Fix for the crash on exit for older Samsung models