WIP: add AbUpdateRollbackFailed state, add state machine doc with updated content from devdocs - #340

WIP: add AbUpdateRollbackFailed state, add state machine doc with updated content from devdocs#340

bfjelds (bfjelds) wants to merge 4 commits into

mainmicrosoft/trident:mainfrom

user/bfjelds/abupdate-final-statesmicrosoft/trident:user/bfjelds/abupdate-final-statesCopy head branch name to clipboard