MYST3: fix compiler warning
EMI: fix compiler warnings
VIDEO: fix compiler warning
CREDITS: updates
ALL: sync with ScummVM
ANDROID: Remove force_redraw
BUILD: Add ENABLE_TOUCH feature
ANDROID: Move Touch controls to TouchControlsBackend
ANDROID: Move grim touch controls to engines/grim
ANDROID: Toggle run when 20% of height is crossed
MISC: Remove OSystem kFeatureVirtControls
ANDROID: Remove KeyReceiver interface