roll: third_party/pigweed 8490841..f294164 (4 commits)

f294164:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/284874 pw_hdlc: Migrate size reports to Bazel
5f93ecf:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/284280 pw_async2: Store and log wait reasons
768021d:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/284691 pw_string: Migrate size reports to Bazel
d81bd23:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/286092 pw_log: Define default values for tokens

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 84908419b167c4..f294164713d2ab
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8716756035827374417
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2bc53c66f855d40495f71e4d20389183c11800c5
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/286212
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 8490841..f294164 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 84908419b167c457a3c9ed3bd6dffa8d5a2fc5d3
+Subproject commit f294164713d2abb26ac9c704513c12f4ad39fae3