roll: third_party/pigweed f66f4e4..3e9c883 (2 commits)

3e9c883:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/242452 pw_bluetooth_sapphire: Add test config to bazelrc
170f745:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/242635 pw_build: Add LinkerSymbol

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: f66f4e473e6620..3e9c8837fbbc3b
Roll-Count: 1
Roller-URL: https://ci.chromium.org/b/8733704385660924273
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I780c8c74cb119f3963c12efb46006bf5a37444d6
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/243263
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index f66f4e4..3e9c883 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f66f4e473e6620afb4d027e7f9e224fa67ff2662
+Subproject commit 3e9c8837fbbc3b8105c6e1b77e7c14d4c1ad0d4e