Android: Fix unnecessary warnings from qt about .arg

Change-Id: I780dcf3ebd174275389620319e2d4b4784c84346
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: BogDan Vatra <bogdan@kde.org>
QmlPuppet: save a few function calls

Change-Id: Ic73b8bb417c2bf40af6146fe781c206266d3ecf8
Reviewed-by: Marco Bubke <marco.bubke@digia.com>