roll: third_party/pigweed 6e09941..77f3436 (3 commits)

77f3436:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289376 pw_bluetooth_sapphire: Add hci::Connection to IsoStream
e6f911b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289375 pw_bluetooth_sapphire: Refactor hci::Connection
c8ac4d8:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/236875 targets/lm3s6965evb_qemu: Add Bazel support

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 6e099413a04b66..77f3436156dc56
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8715413021356328465
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I5b9a8c61b9023af09365567ee9c87e625549bb4b
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/289793
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 6e09941..77f3436 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 6e099413a04b66e31b3a703a7229cf0a180a4387
+Subproject commit 77f3436156dc56f94aa3e37dca47b8d7fde3aafd