[roll] Roll fuchsia [roll] Roll third_party/pigweed 01610a7..9332751 (4 commits)

9332751 pw_bluetooth_proxy: Use emboss to generate expected in gatt tests
97b9c75 pw_bluetooth_proxy: Double check att_size vs bframe size
ee01230 pw_bluetooth_proxy: Set H4 Packet Type Indicator in SetupAcl test util
a5a0958 pw_grpc: Make window update less chatty

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1269592
Original-Revision: b1ff03e87e84f17959d0ba9ced95174fcda08bcf
GitOrigin-RevId: 3e83ee355cce36766344c9a8e6e00885496ad973
Change-Id: I621b2964e06de2861b412f829cc3969ded6421ef
diff --git a/stem b/stem
index 633aa57..6358e93 100644
--- a/stem
+++ b/stem
@@ -8,7 +8,7 @@
              root=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="05d3b5d6cce95dd15ccfa1d162b2c40a01e146fd"
+             revision="b1ff03e87e84f17959d0ba9ced95174fcda08bcf"
              />
   </imports>
   <projects>