ancora: Enable multi-user support

Just testing, apparently it's a popular thing for these old 4/512
devices. Mastermind:
https://github.com/ivanich/android_device_htc_pyramid/commit/168075178f3
8d143687f47a01e7c011a612f82aa
ancora: experimental Chromecast Support

Nothing to say here. Cheers to Sajito for this thing.
Terminate SELinux 1/2

Yes.