setCurrentProfile
Chooses which profile the session reads as.
A profile decides what the catalogue offers and keeps one user's downloads, reading progress and reading list apart from another's on a shared device. Set it after authenticate, and again whenever the user switches.
Switching is immediate and local — nothing is sent to the server. Everything currently observed through Content notices and reloads against the new profile on its own; there is nothing to re-request.
Parameters
profileId
the profile to make active.