[roll third_party/pigweed] pw_kvs: Remove usage of pw_log/shorter.h API

Original-Bug: b/299520256
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/169920

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: d29d05a81164d71..85eb0fe4e12d948
Roller-URL: https://ci.chromium.org/b/8770572639557791361
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ida96c1bed8403e8739cda9e0c26a5117d3618168
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/169879
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 d29d05a..85eb0fe 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit d29d05a81164d71b219603feb0b0af0b18e7ac6e
+Subproject commit 85eb0fe4e12d948efea4444784763f6173fdb356