roll: third_party/pigweed pw_build: Add pw_copy_and_patch_file

Adds the ability to patch a file during both a bazel and GN build

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/237056
Original-Revision: 4f8b0a26fdc1f709e8c9cb3367735767aa67b1e9

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 2ef99131bbb73e..4f8b0a26fdc1f7
Roller-URL: https://ci.chromium.org/b/8735319821023859521
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I01ee0bb495530909eaa5ca38914c1f9d6a1ff2f5
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/238882
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Lint: Lint 🤖 <android-build-ayeaye@system.gserviceaccount.com>
diff --git a/third_party/pigweed b/third_party/pigweed
index 2ef9913..4f8b0a2 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 2ef99131bbb73e475f64281b6515eedba4a8cb79
+Subproject commit 4f8b0a26fdc1f709e8c9cb3367735767aa67b1e9