[third_party/pigweed] Roll 3 commits

465d99734d3a1b1 pw_bluetooth_proxy: Mark unused parameters with [[
5f4e108bb91e1d4 pw_channel: Add module metadata
bd910367051aa32 pw_chre: Add module metadata

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: f20a2dc6ded67a5..465d99734d3a1b1
Roller-URL: https://ci.chromium.org/b/8745776140600207105
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I54a006e6c65e493e8decc20f2e066fb843164f49
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/214521
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 f20a2dc..465d997 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f20a2dc6ded67a50659c66d8d860ae338d4058c8
+Subproject commit 465d99734d3a1b1a2cf445cbd445fd3442a8fa55