agl-ivi-demo-platform-flutter: add ondemandnavi

agl-ivi-demo-platform-flutter: add ondemandnavi

Add ondemandnavi application to new default Flutter demo image, and
update both it and tbtnavi's runtime dependencies to make sure all
the required Qt packages get pulled into the image.

Bug-AGL: SPEC-5085

Change-Id: I521a7e3a1d161f2283023f8fa346092f961ac4ba
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl-demo/+/29701
ci-image-boot-test: Jenkins Job builder account
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
ci-image-build: Jenkins Job builder account
Tested-by: Jenkins Job builder account