Update qbs submodule to HEAD of 1.2 branch.

Change-Id: I5cd40bd819c799838cde82a60037bbe3762e166d
Reviewed-by: Joerg Bornemann <joerg.bornemann@digia.com>
Debugger: Switch off external python in tests properly

Change-Id: Ic28cff5962b03e0a30c9c67526027b3e2799e738
Reviewed-by: Christian Stenger <christian.stenger@digia.com>
Android: Set ANDROID_EXTRA_LIBS scoped to the arch

The workflow for adding a library for multiple archs is not ideal, but
now a little better. The user has to go to the deploy setting for a
kit per architecture and add the right extra library.

Change-Id: I2bda6961f6f1164bdc58acd78fa3d2221977f0cf
Reviewed-by: Oswald Buddenhagen <oswald.buddenhagen@digia.com>