roll: third_party/pigweed 3 commits

1706947f4ea6dda pw_allocator: Disable example spin_lock test on RP
13c51dabf7c511a pw_bluetooth: Create more emboss event definitions
674e839b7f0eda3 pw_grpc: Improve logging when receiving unknown RP

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 234632dd4e30bd4..1706947f4ea6dda
Roller-URL: https://ci.chromium.org/b/8738967263134619089
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I170e455bf493cc585fd89b11ff7c022df5f0c34b
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/231272
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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 234632d..1706947 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 234632dd4e30bd45ca03b075eb5f75c6acb70d64
+Subproject commit 1706947f4ea6ddaeb7dd6312e8199a713aef0553