…t data, Support window-based playhead (#484)

* Add event names to top level property list

* Update unit tests

* Update HISTORY.md and package.json

* AA: Add window based playheads

* Bump AA version

* [STRATCONN-272] update trackComplete logic on video events

* Update tests

* Gps/aa bools (#489)

* Stringify context vals of type bool

* Add tests

* LINT

* Stringify bools in createCustomVideoMetadataContext

* Fix setter in createCustomVideoMetadataContext

* Update HISTORY.md

Co-authored-by: Brie <brienne.mcnally@segment.com>
Co-authored-by: Gabriel P Samson <gabriel.samson@segment.com>
Co-authored-by: Kiara Daswani <kiara.daswani@Kiaras-MBP.lan>
Co-authored-by: Gabriel Samson <gpsamson@users.noreply.github.com>