[update] update to upstream commit 056fe7e
Squashed 'qtmultimedia/' changes from 46bf67b..fca1262

fca1262 Doc: Add Qt Multimedia platform notes for Windows
2998a24 Doc: Adding import statement for in Qt Multimedia QML Types
9d5a639 Fix typo in QMediaPlayer docs.
3196d38 Android: Fix compilation on Windows
0f94c42 Update all plugins.qmltypes files
5c5d19e WMF-plugin: Fix warnings about unused variables.
dbdd194 Update qmldir file for QtAudioEngine
19edbfc sync.profile: Point dependencies to an empty string
23e51e0 Doc: Removed multimedia overview from "technology-apis" group.
94652ea Android: add libQt5MultimediaQuick_p to the list of dependencies.
5c087bb Android: fixed crash when resetting the video surface.
853fc50 Fixed signal not being emitted in QDeclarativeCameraFocus.
b604d96 Make directshow-plugin available.
f4348fe Decouple qmediametadata.h from qmultimedia.h

git-subtree-dir: qtmultimedia
git-subtree-split: fca12620b1e14a5d2daf467f2f8c6eb96714e80a
Merge commit 'a63a5ff5921e6f89b7a9ed170272910f6ee07e0b'
[packaging] touch .git to make sure that syncqt is run

Signed-off-by: Carsten Munk <carsten.munk@jollamobile.com>