[third_party/pigweed] Roll 3 commits

f20a2dc6ded67a5 pw_bluetooth: Add module metadata
13815f73d4aa893 pw_bytes: Add module metadata
d3fdc8b3a0e8d99 pw_bluetooth_hci: Add module metadata

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 3d3e59c25557e05..f20a2dc6ded67a5
Roller-URL: https://ci.chromium.org/b/8745821466690332449
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia822daf91bd9c48b6604413aff9084e4deee848d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/214559
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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 3d3e59c..f20a2dc 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 3d3e59c25557e050da028273db776ba854182fe0
+Subproject commit f20a2dc6ded67a50659c66d8d860ae338d4058c8