meta-app-framework: bump version for dbus bbappend

meta-app-framework: bump version for dbus bbappend

Rename the dbus bbappend to handle the upgrade to 1.12.20 in the
poky 3.1.11 update.

Bug-AGL: SPEC-4104

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: I2876920f0ac949f4dee0835af03c096c4e186973
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/26729
Reviewed-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
Tested-by: Jan-Simon Moeller <jsmoeller@linuxfoundation.org>
(cherry picked from commit 3b7fb84007945e5b19c705b24179260cad05ba55)
Reviewed-on: https://gerrit.automotivelinux.org/gerrit/c/AGL/meta-agl/+/26683