[roll third_party/pigweed] pw_web: Implement Log Viewer toggle fields feature

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/151056

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 2bbbda50aa53036..708c14a729621e3
Roller-URL: https://ci.chromium.org/b/8778285520354060417
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I097ebb72dad3d4bf53f33028222fbfaf83085ecc
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/151832
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2bbbda5..708c14a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2bbbda50aa53036437d77798b7c65561ed33d61b
+Subproject commit 708c14a729621e396a28733b86342f23cfd29be4