`vmware_content_library_info` functional test is currently broken because it
assumes the vCenter content library is not empty.
With this commit, the test inits the vCenter content library database using
`prepapre_vmware_tests`, this before the functional test execution.
* Changes as per review comments and renamed file to vmware_content_library_info
* Removing password field from publish info dictionary
* Removed current password field from publish info
* Modified vmware_content_library_info module with review comments.
* Review comments. Moved test .yml files under tasks folder
* Moved test files under module name folder. Handled library_get call under try catch to throw proper error message
* Fixed precheck failure bare except. Catching Exception
