roll: third_party/pigweed 2 commits

1706947f4ea6dda pw_allocator: Disable example spin_lock test on RP
13c51dabf7c511a pw_bluetooth: Create more emboss event definitions

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 674e839b7f0eda3..1706947f4ea6dda
Roller-URL: https://ci.chromium.org/b/8738967055552414017
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If4f6672e133e996bc7b6ebfd0e48ba203f71adad
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/231311
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 674e839..1706947 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 674e839b7f0eda3be510baa012a95cb6cb44a29c
+Subproject commit 1706947f4ea6ddaeb7dd6312e8199a713aef0553