Android: Add permissions/features for Qt Multimedia module

To avoid potential exceptions when using Qt Multimedia, the
applications needs to request camera and audio recording
capabilities by default.

Task-number: QTBUG-33953
Change-Id: I75061e24c65a24f7f45dcfdbb5edb1874c1eb4da
Reviewed-by: Yoann Lopes <yoann.lopes@digia.com>