roll: third_party/pigweed pw_bluetooth_proxy: Fix H4PacketWithH4 doc string typo

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/258172
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 7940ef25e097dae964b4e07004ad70942a9b0473

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 9337bf2516b4e0..7940ef25e097da
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8726507547830087265
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Icc3916db14d304bb6749753494cc8ea3a4868963
Reviewed-on: https://pigweed-review.googlesource.com/c/gonk/+/258332
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 9337bf2..7940ef2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9337bf2516b4e0876d5308ec15939cb2dc9e6ab8
+Subproject commit 7940ef25e097dae964b4e07004ad70942a9b0473