hybris/include: separating include files per directory

And also including the surface_flinger related headers into Makefile.am,
so it can also be installed by default (missing from previous PR).

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
Input: adding initial compat files for input

Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>