[roll third_party/pigweed] pw_rpc_transport: Reland SocketRpcTransport

This reverts commit 8311fbb3e3cb811fa7a101987e9412591e4b35ed.

Tested: made sure the tests pass on the internal infra after pw_stream
fixes.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/148811

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: fd6643151e1ab44..f77c77808bab4a0
Roller-URL: https://ci.chromium.org/b/8779985424554244369
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Iddca2d55d1f47f2d9c921cee052ec5a3d482a508
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/149153
Bot-Commit: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
Commit-Queue: Pigweed Integration Roller <pigweed-integration-roller@pigweed.google.com.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index fd66431..f77c778 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit fd6643151e1ab44bb8f7cd391d7cc001a29333cb
+Subproject commit f77c77808bab4a0ec60836b8d9470382252f013d