[roll third_party/pigweed] pw_env_setup: Log packages before/after deduping

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/151654

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: de2b4e2639eb7e1..ef8c7d6d0c16f50
Roller-URL: https://ci.chromium.org/b/8778369565033626481
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I76ac20852fc6b0762f73185ad7d70793e50e9b1d
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/151691
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 de2b4e2..ef8c7d6 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit de2b4e2639eb7e10c509616fd75727652f5dd3a5
+Subproject commit ef8c7d6d0c16f50fdc1e75201b8e418aac9f07da