Add more headers to public.bzl

These are actually needed by the internal build, and must
be declared.

Change-Id: Ief6be87a6f13742c49f951dc02ba874bf59e182f
Reviewed-on: https://skia-review.googlesource.com/c/skia/+/581457
Reviewed-by: Brian Osman <brianosman@google.com>
1 file changed