[roll third_party/pigweed] pw_tokenizer: Use the same tagline on every doc

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/163332

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: b2c2b855f576c05..e0806bd26c98c9e
Roller-URL: https://ci.chromium.org/b/8773649624228478337
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ia995ebd2716f73420d06680f07cb9f825be8307a
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/163276
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index b2c2b85..e0806bd 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit b2c2b855f576c05f69bb30fa3bbe035a16415671
+Subproject commit e0806bd26c98c9e2c7f77a64d2eacb84fb99cbf9