fixed check for BGRA -> RGBA in CopySurfaceTest

Bug: skia:
Change-Id: Id49a7d3abad7c3d8b34bc2db9e5fdb69047bf9f0
Reviewed-on: https://skia-review.googlesource.com/145822
Reviewed-by: Greg Daniel <egdaniel@google.com>
Commit-Queue: Timothy Liang <timliang@google.com>
1 file changed