[pvr] EPG hookdata: Return UniqueBroadcastID

Returns epgUid known by client instead unset data.
[ios64] - fixed offsets into the eventmem for arm64 - fixes bt keyboard cursor keys when compiled for arm64
correct codec names, MPEG is always written in upper-case
[cosmetic] add missing "l" in some comments
CHG: [mediacodec] switch to a surface render black list + backup AS
FIX: [linux] fix & optimize input device checking
jsonrpc: prepare for compile-time generated ServiceDescription.h
X11: ditch SDL for video and window events
X11: move xrandr events to WinEventsX11
X11: reset key repeat and key modifier on focus lost and gain
X11: use system key repeat rate instead of hardcoded one, taken from 58fd64b194e38b73b5f3132744bab35e994e7441
xrandr: remove method RestoreState
xrandr: observe orientation
xrandr: allow getting info for multiple screen's
xrandr: set screen on mode change command
xrandr: add turn on/off to wrapper
xrandr: add GetPreferredMode to wrapper
xrandr: support for multiple x screens
X11: fix multi-head setups
X11: remove all DefaultScreen and RootWindow macros