Fix header on Android when using `titleComponent`. (#15872)
Fix header on Android when using `titleComponent`. (#15872)

* Fix Android header when using titleComponent, ostensibly.

* Don't need that.

* Use the right things.

Le sigh.

keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client,keybase/client