ANDROID: v4l2-compat-ioctl32.c: copy reserved fields

Copy reserved fields along with other fields in v4l2_plane
for userspace clients and drivers to use reserved fields
when required.

Bug: 143160749
Change-Id: I0c7e7485961ab50188cda6ae81998473500bb07b
Signed-off-by: Maheshwar Ajja <majja@codeaurora.org>