drm: rename plane options to better, invariant, names

This commit bumps the libmpv version to 1.102

drm-osd-plane -> drm-draw-plane
drm-video-plane -> drm-drmprime-video-plane
drm-osd-size -> drm-draw-surface-size

"draw plane", as in the plane that OpenGL draws to, whether it be
video + OSD or just OSD.

"drmprime video plane", as in the plane used for hwdec video imported
via drmprime.

"draw surface size", as in the size of the surface used for the draw plane

The new names are invariant whether or not hwdec_drmprime_drm is being
used or not. The original naming was very confusing, as when doing
regular rendering (swdec or vaapi) the video would be displayed on the
"OSD plane", and the "Video plane" would remain unused.