roll: third_party/pigweed pw_sync: Remove try_lock in CheckLocked

Avoid calling try_lock() by the thread holding the lock.
try_lock() should not be called by a thread that already holds the lock,
as it can lead to fatal errors with certain underlying RTOS
implementations (e.g., kal_take_mutex_try).

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/289672
Presubmit-Verified: CQ Bot Account <pigweed-scoped@luci-project-accounts.iam.gserviceaccount.com>
Tests-Not-Needed: Aaron Green <aarongreen@google.com>
Original-Revision: 60d5bd86565d78f239ca094c9c582d539184e901

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 7273b9029d37be..60d5bd86565d78
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8715279872547594353
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: Ieb235a71effb61f5e9dc39aed1945ba3671af439
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/290212
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 7273b90..60d5bd8 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 7273b9029d37be27796d5ff295decf78edf8b238
+Subproject commit 60d5bd86565d78f239ca094c9c582d539184e901