android: udev: use $(group) variable name in lowercase.
android: udev: use $(group) variable name in lowercase.

For consistency with $(user).

Signed-off-by: Gaël PORTAY <1666f60cfa201a60b0ea694168a0b6932673170a@savoirfairelinux.com>

gazoo74/templates,gazoo74/templates,gazoo74/templates,gazoo74/templates