[third_party/pigweed] Roll 2 commits

8d60197f7388252 SEED: Add facilitators to metadata and generated t
baed4c896be0422 pw_transfer: Improve Python stream reopening and c

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 2ace3eed115d834..8d60197f7388252
Roller-URL: https://ci.chromium.org/b/8761021485805199153
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4d99a37fa8094eef308f694d7b41b1d183523034
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/kudzu/+/185957
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2ace3ee..8d60197 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2ace3eed115d834191f94f82453878c324de9f33
+Subproject commit 8d60197f7388252401668dfbe66bcd952ef177e1