This fixes a naming conflict with Android, which also provides a switch.h.
BUG=chrome-os-partner:35101
TEST=none
Change-Id: Ib95b37eb3d5cf77e8bc5b2badeb772aeb743af19
Signed-off-by: Olof Johansson <olofj@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/238523