roll: third_party/pigweed f7c9b66..0f4cf19 (3 commits)

0f4cf19:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/361272 pw_libc: Add missing dependency on pw_preprocessor
baf7896:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/360912 pw_bluetooth_proxy: Implement gatt::Server::SendNotification
158e332:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/361792 pw_i2c_mcuxpresso: Skip aborting transfer when auto restarting interface

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: f7c9b663ca63fb..0f4cf19ee7d685
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8692837479228734065
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I82f64e3647249787fd9e00195af7b6e4603968e2
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/363173
diff --git a/third_party/pigweed b/third_party/pigweed
index f7c9b66..0f4cf19 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit f7c9b663ca63fb25ebdcc17b41a14b7f667a330f
+Subproject commit 0f4cf19ee7d68587a6914efd691a2a3712580529