roll: third_party/pigweed 34521ea..15d4ae5 (2 commits)

15d4ae5:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/258792 pw_rpc: Increment call_ids for java client
8a5fc59:https://pigweed-review.googlesource.com/c/pigweed/pigweed/+/247972 pw_digital_io_mcuxpresso: Add McuxpressoDigitalInOutInterrupt support

Rolled-Repo: https://pigweed.googlesource.com/pigweed/pigweed
Rolled-Commits: 34521ea9d72066..15d4ae5ff36cd4
Roll-Count: 1
Roller-URL: https://cr-buildbucket.appspot.com/build/8726234122198849041
GitWatcher: ignore
CQ-Do-Not-Cancel-Tryjobs: true
Change-Id: I167824a52daa080ad30d261995cc191c0b536c72
Reviewed-on: https://pigweed-review.googlesource.com/c/pigweed/examples/+/259079
Commit-Queue: Pigweed Roller <pigweed-roller@pigweed-service-accounts.iam.gserviceaccount.com>
Bot-Commit: 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 34521ea..15d4ae5 160000
--- a/third_party/pigweed
+++ b/third_party/pigweed
@@ -1 +1 @@
-Subproject commit 34521ea9d72066a02d4b562eb6d2dd628e424e58
+Subproject commit 15d4ae5ff36cd452023fdfc07835f5f1635f05ef