roll: third_party/pigweed 5421a43..54ca0db (6 commits)

54ca0db:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/241192 pw_bluetooth_proxy: Use std::lock_guard
29771c1:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/230832 pw_bluetooth_proxy: L2CAP CoC & GATT Notify channels
6329e8d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/246092 pw_bytes: Restore byte_builder.cc in Android.bp
30519ca:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/246353 pw_bluetooth_sapphire: Remove another packed struct
d557e7f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/246313 pw_bluetooth_sapphire: Remove another packed struct
0634370:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/246497 roll: fuchsia-infra-bazel-rules 986ed50..622e42b (50 commits)

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 5421a431f4bdd4..54ca0db892863f
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8732178686940412369
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ib94c2040bc5cbd4cb91efda0d3f5babaed6ae7a5
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/246613
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 5421a43..54ca0db 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 5421a431f4bdd46304aaf461a71c8588592fb569
+Subproject commit 54ca0db892863f6d278dc9ca5be92591d1b9f98b