roll: third_party/pigweed pw_bluetooth: New Emboss L2CAP scheme

Add BasicL2capHeader, BFrame, FirstKFrame, and
SubsequentKFrame.

Original-Bug: 360929142, 364711772
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/230831
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Original-Revision: 340d624033ce868595ef6ffba77f2e2dd33d65ec

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 24baa120f88bfa..340d624033ce86
Roller-URL: https://ci.chromium.org/b/8735805792355436433
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I39d224c446e10e0e0baed6a2baa90d323cce9767
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/237894
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.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 24baa12..340d624 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 24baa120f88bfabe6a59acdc154a96162ce20e99
+Subproject commit 340d624033ce868595ef6ffba77f2e2dd33d65ec