Add qtmacextras#stable as part of the default modules

Also updating the sha1 to the latest one that has passed
the CI already.

Change-Id: I88d803a738be59c377ef4c2315a855d2675331d4
Reviewed-by: Akseli Salovaara <akseli.salovaara@digia.com>
Reviewed-by: Gabriel de Dietrich <gabriel.dedietrich@digia.com>
Add new qtandroidextras repository

Also adding it as part of the default modules.

Change-Id: I899ba6eec9ba6ab7103ecc6dba5245da16e01a32
Reviewed-by: Christian Stromme <christian.stromme@digia.com>