roll: third_party/pigweed pw_build: Suppress noisy output for tool shortcuts

Cleans up output significantly when running tools via the Workflows
launcher.

Original-Fixed: b/431798609, b/431799929
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/304981
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
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Original-Revision: 4a9f39c6086e117dfc376452865c57ed0d3fa1b9

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 19f3cfd63b9f1c..4a9f39c6086e11
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8708716922232936881
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4cf13ffc32b91ff1f22c0d5cbdaafb2da482f6bb
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/kudzu/+/306837
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 19f3cfd..4a9f39c 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 19f3cfd63b9f1c6b43a0da1d49e2bad140d43a27
+Subproject commit 4a9f39c6086e117dfc376452865c57ed0d3fa1b9