Update AppCompat to 1.4.0. (#3027)
Update AppCompat to 1.4.0. (#3027)

Co-authored-by: Sharvani Haran <2228824a4af842f64fe485e276ab723cd575b489@users.noreply.github.com>
wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia,wikimedia/apps-android-wikipedia