Pass the float9 values in PictureInPictureSurfaceTransaction

For auto enter PiP from landscape when no source rect hint is specified,
we should actually use the skew instead scale values to set the matrix
transform.

Video: http://recall/-/aaaaaabFQoRHlzixHdtY/dpLVOQzIVjdJpn5kg7T4Fc
Bug: 179720719
Test: manual use ApiDemos app, see video
Change-Id: Ic7072e8354329584f9cb75876911c3d58d78e7f5