meta-app-framework: Add Flutter app icon installation
Add logic to agl-app.bbclass to install an icon for Flutter apps if
there is one present as ${AGL_APP_ID}.svg in a "package" directory
in their source repository.
Bug-AGL: SPEC-4634
Change-Id: If48cb5b085f74a713e293d6554c45d265f69f686
Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/28155
Tested-by: Jenkins Job builder account
ci-image-build: Jenkins Job builder account
ci-image-boot-test: Jenkins Job builder account