Add black code format revision to .git-blame-ignore-revs

Change-Id: Ia6fa7f99b747bdd9f86e65c4549d8fe7d2bb2580
Reviewed-on: https://fuchsia-review.googlesource.com/c/antlion/+/857902
Fuchsia-Auto-Submit: Patrick Lu <patricklu@google.com>
Reviewed-by: Sam Balana <sbalana@google.com>
Commit-Queue: Auto-Submit <auto-submit@fuchsia-infra.iam.gserviceaccount.com>
diff --git a/.git-blame-ignore-revs b/.git-blame-ignore-revs
index 29b2ca6..befa060 100644
--- a/.git-blame-ignore-revs
+++ b/.git-blame-ignore-revs
@@ -1,2 +1,5 @@
 # Run code through yapf
 19a821d5f1ff9079f9a40d27553182a433a27834
+
+# Run code through black
+0d9e3581d57f376865f49ae62fe9171789beca56