[roll third_party/pigweed] roll: gn

From: git_revision:e3978de3e8dafb50a2b11efa784e08699a43faf8
To: git_revision:4bd1a77e67958fb7f6739bd4542641646f264e5d

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/152392
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 410b336e17210a0..a35fcecc78d25ec
Roller-URL: https://ci.chromium.org/b/8777918059211834481
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I7cca753af9e98c6ea08d93e0acf01c6b523f82db
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/152394
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 410b336..a35fcec 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 410b336e17210a0c57e10712fc2ee385c7c9e030
+Subproject commit a35fcecc78d25ec8552bb23a2530aa83334282ac