[roll] Roll fuchsia [zircon][vm][ppb] Rename ppb stats function

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/609601
Original-Revision: 6046ea83d87148a13f5a72f74b231b3dfe6414d8
GitOrigin-RevId: 1868a9d86823fb0199208b7e98860f698d11a647
Change-Id: Ib05d2100deec1cb8e3bbc396739b2964238464a7
diff --git a/stem b/stem
index 54de5e2..4f8f3d4 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="61b5e384c995ab2557b757908155b3ab3456d69b"/>
+             revision="6046ea83d87148a13f5a72f74b231b3dfe6414d8"/>
   </projects>
   <hooks>
     <hook name="install-environment"