[roll third_party/pigweed] pw_protobuf: Add encoder+decoder size reports

Adds size reports for pw_protobuf's base encoder and decoder types,
excluding any codegen.

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/109011

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 919d1831a6f337e..ab53e2a7115d5fc
Roller-URL: https://ci.chromium.org/b/8801835928135598881
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: If3e74732c0fbd2fd52a94cb451e15c07e654dfc2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/112264
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 919d183..ab53e2a 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 919d1831a6f337ed62661e0133cd6807284038b4
+Subproject commit ab53e2a7115d5fcc13ee10a84a250eb294f70caf