v22.0.4
test(multiple): generate additional tests for angular-aria directives, harness and patterns (#33162)
refactor(aria/grid): replace contentChildren with SortedCollection (#33172)
fix(multiple): remove developer preview tag from aria (#33232)
refactor(multiple): migrate tests to use whenStable (#33317)
test(multiple): check for incorrect usage of Angular Aria directives and log violations (#33195)
fix(multiple): not all symbols exported in some aria packages (#32591)
build: set up public-api files for aria (#32535)