[roll third_party/pigweed] pw_snapshot: Add missing thread log entries

Adds missing log entries to the embOS and ThreadX snapshot thread
libraries.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/54626

third_party/pigweed Rolled-Commits: f50a10c2c0d95fa..4bcb07b6ee2a1d8
Roller-URL: https://ci.chromium.org/b/8840606173262673088
Cq-Cl-Tag: roller-builder:pigweed-experimental-roller
Cq-Cl-Tag: roller-bid:8840606173262673088
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I6a7b77bab43971d020b0aa6c40e0cc6a37fd0ae7
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/54764
Reviewed-by: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index f50a10c..4bcb07b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f50a10c2c0d95fa0221d7670fee32ed26910935c
+Subproject commit 4bcb07b6ee2a1d8fc65321a588163db791c8240f