Not all devices are supported by recentfling, but there is usually a
device that is supported and has a similar screensize. Let the
recentfling workload specify the device to let us run it on more
devices.
Inconsistently, while install() for Android devices automatically
handles both APKs and executables appropriately, uninstall() only works
for packages. Changing to use uninstall_executable() for the scripts
deployed by recentfling.
- Scripts are now deployed during via install() ensuring that they are
executable.
- Handle the case where the PID file is delted before getting to
process_results.
- Exposed the option to not start any apps before flinging via a
parameter.
