Updating the android run-host script so that the init.lua file gets run when working directory is .

When the android working_dir was "." the init.lua was not run because
its directory was not determined properly.  Added a check for a working
dir of "." in the run-host and skipping the default directory
determination if found.
Merge pull request #714 from JandyCo/android-print-fix

Updating the android run-host script so that the init.lua file gets run ...