roll: third_party/pigweed 45b4833..3490c8b (4 commits)

3490c8b:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/363455 perfetto: Update copybara job to point to new primary repo
099a694:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/363453 third_party/perfetto: Copybara import
0fc191f:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/363178 pw_grpc: Refactor SendQueue to an abstract interface
5daee40:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/363076 pw_bluetooth_proxy: Add gatt::Server::RemoveCharacteristic

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 45b4833e08af99..3490c8bcfe79c2
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8692740470157705745
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I4ca659bf42660957a70421f634f6ceb35db9e6b5
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/363652
diff --git a/third_party/pigweed b/third_party/pigweed
index 45b4833..3490c8b 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 45b4833e08af9973fb6ba84f47377cdca15ee3c5
+Subproject commit 3490c8bcfe79c2bceacd2e91b911063ec2ee3230