Add QAndroidActivityResultReceiver to the documentation.

QAndroidActivityResultReceiver was missing the \inmodule command and
was therefore not shown in the class list.

Change-Id: Ide0670e7ff377420e9690b6ff5421bf5fe0d96e3
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Merge remote-tracking branch 'origin/stable' into dev

Change-Id: I354b2d1300dd3dfb2370acb6369aeb4ff38fcb8e