AOSP doesn't ship libyaml, making it more difficult to compile libcamera
for Android. Use a meson wrap to compile libyaml as a subproject if the
dependency is not found.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Tested-by: Eric Curtin <ecurtin@redhat.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>