roll: third_party/pigweed roll: ninja

From git_revision:745380fed7d2216b20b5ab22dd173ff167042aca
To git_revision:9daff81efaf435bf612c74414ce63d0640613ba7

GitWatcher: ignore
Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/237253
Bot-Commit: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Original-Revision: 50af4cad714e675d6275dd601bd2e1d03243d7ed

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 198260e6096bf7..50af4cad714e67
Roller-URL: https://ci.chromium.org/b/8736125404793105217
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Id3e94c4ee95651882a1371403b20e5e041259d2f
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/experimental/+/237276
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 198260e..50af4ca 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 198260e6096bf7d968f58578d89fbe5f2b2d7467
+Subproject commit 50af4cad714e675d6275dd601bd2e1d03243d7ed