Update build script for AndroidUiAutoBenchmark
Update build script for AndroidUiAutoBenchmark

- can be run from any folder (provided GNU readlink is available)
- if build fails, non 0 exit code is returned for proper command chaining
- copies all *.class files into the class_dir (not just BaseUiAutomation)

muendelezaji/workload-automation,muendelezaji/workload-automation,muendelezaji/workload-automation,muendelezaji/workload-automation,muendelezaji/workload-automation,muendelezaji/workload-automation