Copy branding image drawable even while the view is Gone.

Once a View has set to invisible or gone, the copied size of the
background drawable would be empty. In order to copy a image from it,
specify the size while create the canvas. The visibility state will be
decide by client process.

Flag: EXEMPT bugfix
Bug: 395201920
Test: atest SplashscreenTests
Change-Id: I0900f14dfbfb6b9c8760c40920e4efc01cfd31ce