roll: third_party/pigweed 7 commits

39884c8c26fdc71 pw_status: Convert StatusWithSize to Doxygen
42cea59a620c8ee pw_status: Remove StatusWithSize::size_or()
92a0165ff5ef8d5 pw_rpc: Limit maximum stored responses in Python c
ae0fb106e128a26 pw_rpc: Remove deprecated / obsolete features
2e5bb7f84aa7885 pw_rpc: Fix open in callback_client
35c221facea3abd pw_rpc: Merge PendingRpc and RpcIds
19cb9e4e638df8c OWNERS: Add davidroth@

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 0975df55750a15e..39884c8c26fdc71
Roller-URL: https://ci.chromium.org/b/8739492517728120273
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I2d1c86fa4c12749fa44d4fe8df718a36cc39eaff
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/229993
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 0975df5..39884c8 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 0975df55750a15e70dbef2318ed0ff93ca7e64d5
+Subproject commit 39884c8c26fdc711cf3b870aaca1bfbef4aa1d77