roll: third_party/pigweed 94476c3..a1eb87b (4 commits)

a1eb87b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/231913 pw_crypto: Add Aes::Cmac
ad4815c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/262713 pw_metric: Fix stringizing of global names
01ff2e5:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/262813 docs: Provide Google Analytics ID to the Bazel build
ff08518:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/262854 roll: fuchsia-infra-bazel-rules 8717179..124a9b9 (37 commits)

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 94476c3105ee5a..a1eb87b67a7223
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8724569746876793873
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Id698199329024dea645bf815f87dcf92fdf6bda2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/263012
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 94476c3..a1eb87b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 94476c3105ee5a78d5551610380b90f7b7fb9271
+Subproject commit a1eb87b67a72231755b7fd6671e99d7f7276ba20