[roll third_party/pigweed] roll: gn

From: git_revision:69ec4fca1fa69ddadae13f9e6b7507efa0675263
To: git_revision:07e2e1b9377fec345575067078257e546affd858

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/60700
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed.google.com.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: c21847f0d5cd742..bd6dc63d927c0d2
Roller-URL: https://ci.chromium.org/b/8836248150096735185
Cq-Cl-Tag: roller-builder:pigweed-sample-project-roller
Cq-Cl-Tag: roller-bid:8836248150096735185
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Icee6f456ad192d190b9beeffc99c7fd017ca207a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/sample_project/+/60683
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index c21847f..bd6dc63 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit c21847f0d5cd7427cee53469a1df33d2e27f351e
+Subproject commit bd6dc63d927c0d26583787339226927ed312be0a