Design Studio specific QML runner

Design Studio needs a new runner. The old 'qmlscene' does not deliver good user experience.

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New runner should

• have a control view for FPS and performance measurement data
• follow the project settings in scene-environment directly
• be constantly running if window is set active (display changes to the project with a delay)
• Have prebuilt APK and iOS binaries so deployment can be easily done with Android or iOS device too
• Be pre-integrated in the B2Qt image so it can be invoked from the B2Qt installation too
• There should also be updated version of the runner in Android store at least

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TODO: We have qml2puppet already. Implementation is relatively straightforward. suitable for a new developer, such as Burak with a designer such as Heikki/Soili

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UPDATE: The runner code should be part of the B2Qt basic image as well, need to agree this with embedded team in Qt RND.

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