EranMes on behalf of EmmaSoderberg: Document the command for getting available log types.
EranMes on behalf of EmmaSoderberg: Document the command for getting available log types.

r17617

krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate,krosenvold/selenium-git-release-candidate