roll: third_party/pigweed b4a6f35..4d461ea (2 commits)

4d461ea:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/279712 pw_bloat: Fix GN build for size report generation
e078345:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/279533 pw_sync: Support yield on riscv64

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: b4a6f35859591e..4d461ead92fc71
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8719168288691088945
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If90be22259d90e7b41f74410dc884fc791f27d13
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/kudzu/+/279917
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
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 b4a6f35..4d461ea 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit b4a6f35859591eee9e89ce429f811495d2053892
+Subproject commit 4d461ead92fc71f755f30350a6d9d4919daab1fa