[roll third_party/pigweed] SEED-0122: Update status, add bug reference

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/189612

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 76c3f705fb7e8f2..38d917f16b877ca
Roller-URL: https://ci.chromium.org/b/8757526837605539249
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I22be6c2b9cc22e9a8f56156c9c963e2892501e3c
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/189636
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 76c3f70..38d917f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 76c3f705fb7e8f295140136bfd33d1a2d32977aa
+Subproject commit 38d917f16b877cade6cdcdf4e452bc978b31bb46