SurfaceView: Add reparentSurfacePackage method

For use with SurfaceControlViewHost. Currently this just performs a reparent
but it's future use is to also automatically link the accessibility IDs
of the embedded content and the SurfaceView.

Test: No test, to unblock accessibility team. Builds.
Bug: 134365580
Change-Id: I990c0f29b439ed6e6f18bdfa4be2c1d46f502503