Adding tests for most of the layout widgets.

Additionally, built individual manual lookup tool
for OEMs when a certain test does not pass. Also,
the generator can now be run from the command line
to generate the master versions of our tests.
Script to automate this is coming soon.

Change-Id: Iadbd8d53ccf0f8a6d0beb74daf729f60c385aeae
120 files changed