Add support for screen recording endpoints

[mykola-mokhnach]

appium/java-client#814

[jamie-sherriff]

@mykola-mokhnach i would be keen on picking this up. Can i have an invite to Appium slack to discuss any questions?

[jlipps]

@jamie-sherriff we'll need your e-mail somehow for the invite. you can DM me on twitter (@jlipps) if you don't want to put it here in public.