[roll third_party/pigweed] Build: Get `all` building on Linux

Gets the implicit `all` target working in the GN build on Linux
machines.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/120672

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 85b5cd9d9b3375c..acaac6813c467fb
Roller-URL: https://ci.chromium.org/b/8796843916359689201
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I923f137188c358fddf61d2f5c100cdea479624d7
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/120693
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 85b5cd9..acaac68 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 85b5cd9d9b3375c41eb52c027b80d764472173e9
+Subproject commit acaac6813c467fb62f36181ef6d7382a43fd9401