roll: third_party/pigweed 2 commits

1fc96205b72d872 bazel: Don't propagate flags to exec config
1d190f27e281304 pw_presubmit: Exclude files from copyright

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: afe76e45d26332d..1fc96205b72d872
Roller-URL: https://ci.chromium.org/b/8742779023063875585
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I378e6599422db8d71f04d477bf00179ed5f30e64
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/221153
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.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 afe76e4..1fc9620 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit afe76e45d26332d8b49a317401a48f20aef7d6c5
+Subproject commit 1fc96205b72d872bffad57fe1cdfd77ae414ef56