Fix bzl formatting.

No-Try: true
Bug: skia:8210
Change-Id: Id1efcb23b58bfff024d04d2a9b1ed3e9dd89cba7
Reviewed-on: https://skia-review.googlesource.com/156001
Reviewed-by: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Robert Phillips <robertphillips@google.com>
Reviewed-by: Hal Canary <halcanary@google.com>
Commit-Queue: Ben Wagner <benjaminwagner@google.com>
diff --git a/public.bzl b/public.bzl
index 2cab764..32b1371 100644
--- a/public.bzl
+++ b/public.bzl
@@ -611,7 +611,6 @@
         "SK_HAS_JPEG_LIBRARY",
         # remove once we've fixed call-sites
         "SK_SUPPORT_LEGACY_DOCUMENT_FACTORY",
-
     ] + skia_select(
         os_conditions,
         [