Move device to a separate build target

game/BUILD

@@ -2,5 +2,6 @@ cc_library(
     name = "game",
     srcs = glob(["*.c"]),
     hdrs = glob(["*.h"]),
-    visibility = ["//sdl_host:__pkg__"]
-)
+    visibility = ["//visibility:public"],
+    deps = ["//device:device"]
+)