Separating tabs of single panel to separate panels.
It will reduce amount of redundant calls, because it is very unlikely
that someone will need all tabs at once. Also, it is current approach
that is used by core projects.
Change-Id: I874253e0e9a35ede8239bc1bdf0a330a44ade413
Partially-Implements BluePrint create-share-panel-group
6dcc671543