roll: third_party/pigweed 996359c..351373b (4 commits)

351373b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282872 pw_bluetooth_sapphire: SCO Offload Index config
af9b963:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/282894 pw_toolchain: Enable thread safety warnings for arm-clang toolchain
8e230dd:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/268512 pw_rpc: Create default channel output
4c53c47:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/284153 gn: Introduce new variables for 3p dependencies

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 996359c27afc91..351373b01c7b61
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8717406495820805921
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ice82bf59128dc3bd951794c78b73d6c78e045e3d
Reviewed-on: https://pigweed-review.googlesource.com/c/gonk/+/284432
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 996359c..351373b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 996359c27afc91dbecd3475c4e74b5e7b934692e
+Subproject commit 351373b01c7b61baec4640e41b79d6aa90e25f1c