[roll third_party/pigweed] targets/docs: Use tokenized asserts/logs

Switches the docs target to use tokenized logging/asserts to better
represent expected real-world binary sizes.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/112313

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: e29d6c08846adba..3da49f09465804b
Roller-URL: https://ci.chromium.org/b/8801827962286933361
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I3c79373e1d900b70df1b6ff79cfc66e267c39ed8
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/112352
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 e29d6c0..3da49f0 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit e29d6c08846adba127f34f5279cc3b3a3cf9c1e9
+Subproject commit 3da49f09465804b65240884e10c76636086fd3bc