New UiAutomator Tests for the ONCE UX plugin.

All tests save for LearnMoreCheck.java are in the planning stages. Any comments or suggestions about their execution or the concepts themselves would be greatly appreciated.
The Sample App isn't being installed or uninstalled. The way things are set up with ant, only the files in the uiTest directory will be installed. If left alone, the Sample App would continue exactly where it is, which would wreak havoc with any following tests.