[third_party/pigweed] Roll 2 commits

7cf520f32b42a01 pw_watch: Add bazel files to default watch pattern
601edba48e579d4 Revert "bootstrap: Warn about Windows case-sensiti

https://pigweed.googlesource.com/pigweed/pigweed
third_party/pigweed Rolled-Commits: 8dcf8a563470945..7cf520f32b42a01
Roller-URL: https://ci.chromium.org/b/8754082733643194353
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I02413a97eddd47948dbfbc258fd6919b8c872b4e
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/195390
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 8dcf8a5..7cf520f 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 8dcf8a56347094507ab0b24dd10d3227c481308f
+Subproject commit 7cf520f32b42a01ba79122f2844e08e3539b1faa