[roll third_party/pigweed] roll: 310, 311

310
From: git_revision:29145e1bad586aa03beaa8cd1c4dbc602f28e6f1
To: git_revision:bb28159eee347b29eaa0628a005436040beba045

311
From: git_revision:29145e1bad586aa03beaa8cd1c4dbc602f28e6f1
To: git_revision:bb28159eee347b29eaa0628a005436040beba045
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/205230
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 4ab4b220f23f968..678e85847484879
Roller-URL: https://ci.chromium.org/b/8750082851142360417
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I234c371595b8e186417fcb91585acdc7ae3d4190
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/205270
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 4ab4b22..678e858 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 4ab4b220f23f96879a9c83b55f5570ab3af9a3af
+Subproject commit 678e85847484879c1844641e9be89473ff66367e