roll: third_party/pigweed 475ef28..303810b (4 commits)

303810b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/254414 pw_multisink: Scope disabling unsigned-integer-overflow
b3e2d8c:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/249452 pw_bluetooth_sapphire: Implement Central start scan
0ea7157:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/254473 pw_bluetooth: Add frame_type and poll_final definitions for rfcomm
0944913:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/254134 bazel: Add explicit rules_java dependency

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 475ef28711ff61..303810b8416100
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8728633738379396689
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If286a5f81dff672005ccf4d004aeb7d423abb414
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/kudzu/+/254457
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 475ef28..303810b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 475ef28711ff616df5412358398f30d2294f2277
+Subproject commit 303810b8416100055e363f4bb0674780527e73cb