flutter-ics-homescreen: work around Rive plugin issue

flutter-ics-homescreen: work around Rive plugin issue

Add a LD_PRELOAD of the Rive plugin library since it currently
fails to auto-load.  This fixes the HVAC animation behavior.

Bug-AGL: SPEC-5348

Change-Id: I8f6172305f3d695d47209b2503a99f79047d2ea2
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl-demo/+/30903
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account
(cherry picked from commit 63b2f3a747d2149d846af179293907ef0732a111)
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl-demo/+/30871
Tested-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>