roll: third_party/pigweed 19d9058..435f8ca (6 commits)

435f8ca:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289632 Revert "pw_tokenizer: Never silently detokenize collisions in Python"
68343a0:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289612 pw_transfer: Mark client streams closed on RPC error
613d0fa:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289152 pw_bluetooth_sapphire: Add IsoDataChannel::ClearControllerPacketCount
48f6208:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289512 pw_chrono_stl: Add system_timer.cc to android build
43b391a:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289192 pw_env_setup: Uprev 'requests' for Zephyr compatibility
70e703c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/280933 pw_kernel: Add Event primitive

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 19d9058890ab39..435f8ca9a58e9b
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8715483290626039425
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I8a64e6d17061caaba2594c8ddf769b56cf94827b
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/289577
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 19d9058..435f8ca 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 19d9058890ab39f1e2ba14a7ebbf1885110342d1
+Subproject commit 435f8ca9a58e9bff5e703fa52ea1519617b6749c