* make date picker accessible
* make test file lookup location-independent
* address some comments
* always wrap in IgnorePointer
* no bitmasks for flags and actions
* recommend List<*>
* make time picker accessible
* use new CustomPaint a11y API
* flutter_localizations tests; use bigger distance delta
* fix am/pm control; selected values
* fix translations; remove @mustCallSuper in describeSemanticsConfiguration
* exclude AM/PM announcement from iOS as on iOS the label is read back automatically
I got tired of drive-by spelling fixes, so I figured I'd just take care of them all at once.
This only corrects errors in the dartdocs, not regular comments, and I skipped any sample code in the dartdocs. It doesn't touch any identifiers in the dartdocs either. No code changes, just comments.
* alwaysUse24HourFormat in MediaQuery and time picker
* docs; dead code
* address some comments
* MaterialLocalizations.timeOfDayFormat is the single source of 24-hour-formattedness
* Make TimePickerDialog private again
* wire up MediaQueryData.fromWindow to Window
