[roll third_party/pigweed] roll: gn

From: git_revision:5d8727f3fbf420538ff753ebc3ce96da28e12c22
To: git_revision:e4702d7409069c4f12d45ea7b7f0890717ca3f4b
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/178270
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 88aad83343c8b7a..4b24ec34f9b44c7
Roller-URL: https://ci.chromium.org/b/8765868777545509217
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If53c0734a44d48c659171457346f2e93a59ef774
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/kudzu/+/178199
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 88aad83..4b24ec3 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 88aad83343c8b7ae5a24b1f0849675b4cbb6cc5c
+Subproject commit 4b24ec34f9b44c74d0262879cb24b4a90a53029b