[third_party/pigweed] Roll 4 commits

55dcce2af4ea7e5 pw_containers: Rename VariableLengthEntryQueue
17c586758a74044 pw_containers: Rename VariableLengthEntryQueue fil
e589acdd101d978 pw_containers: VariableLengthEntryQueue C++ API
44a57f1aae6e911 pw_transfer: Fix WindowPacketDropper proxy filter

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 614d94afb734817..55dcce2af4ea7e5
Roller-URL: https://ci.chromium.org/b/8754989195668202049
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ibbd8a526eb728dc8e1b3c90806911f25c5382175
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/194170
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.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 614d94a..55dcce2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 614d94afb7348178ffa8e3277e8fa6123b93308b
+Subproject commit 55dcce2af4ea7e533aa15e20ea4e5aa0b3320e1c