Support scaling with SurfaceControl when using WindowlessWindow APIs

Demo: https://drive.google.com/open?id=1wQ8dT5bfTxSh-NRQpNBwTCkKOtOOUMPj

Bug: 150224413
Test: Manual test on both universal smartspace and wallpaper preview
Change-Id: I604e5a43727035cbeb36f02681fc317fd356268a