Add a minimal debugging tool to show the UI while device not in car (#1937)
Add a minimal debugging tool to show the UI while device not in car (#1937)

* add a minimal uiview file with alias from selfdrive/ui

* make ui_debug executable

* minimize uiview.py; remove os and functions. the processes exit normally when ctrl+c'ing out of the loop

* violating E401 here, save 1 more line

* kill on exit

* forgot signal

* new record! 15 lines

* add comments and declare some common variables. don't need to redefine the messages every loop
commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot,commaai/openpilot