roll: third_party/pigweed pw_tokenizer: Support CSV databases with the domain

Define the CSV database format to have four columns instead of three:

  - token
  - date removed
  - domain
  - string

Continue to write three column CSV databases for now.

Original-Bug: b/364955916
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/234413
Original-Revision: 02a68bb680ebddeba8f0ad6cbbc6bb81d7568759

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 9a5296672be32b..02a68bb680ebdd
Roller-URL: https://ci.chromium.org/b/8735071903010249921
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I55d1e2568bd8c37bc1ea6c84da7a0077897620a6
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/239873
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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 9a52966..02a68bb 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 9a5296672be32b32d684e5250b0c688ceb9206ea
+Subproject commit 02a68bb680ebddeba8f0ad6cbbc6bb81d7568759