refactor: use MenuProvider in StudyOptionsActivity, remove starting reviewer in undo#21339

ericli3690 wants to merge 1 commit into

ankidroid:mainankidroid/Anki-Android:mainfrom

ericli3690:ericli3690-study-options-activity-undo-menuericli3690/Anki-Android-ericli3690:ericli3690-study-options-activity-undo-menuCopy head branch name to clipboard