roll: third_party/pigweed 9beab24..1e9e2fb (3 commits)

1e9e2fb:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/347237 pw_async2: Allow move-only types with BlockingReceive
0d72a11:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/347672 pw_async2: Refactor guides.rst
239a43d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/345013 pw_build: Add BuildRecipe dependencies

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 9beab248d92474..1e9e2fb54aa8e5
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8697547942170470561
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I6c4323ce8337b5e106511d03a10aa15f38a6dedc
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/347852
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 9beab24..1e9e2fb 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9beab248d924743dfe95eca11d6f8fd8e02e220c
+Subproject commit 1e9e2fb54aa8e5e05f718caf26e6309d7eb62056