[roll] Roll fuchsia [build][covargs] Enable Rust profile correlation

This patch adds the necessary flags for the compiler and
llvm-profdata to enable binary profile correlation in Rust.

Original-Bug: 370090797
Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/1195958
Original-Revision: e35d380fca2499fb3ee939878c2f1795e34c4575
GitOrigin-RevId: 71b1589678943c86cdf1bf5b411d6cc426f587da
Change-Id: I21dc99c3f1f408c5a7aed9c2581c8a7425252fc3
diff --git a/stem b/stem
index 6e0c35d..d7c8f8c 100644
--- a/stem
+++ b/stem
@@ -8,7 +8,7 @@
              root=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="2bf3a35717efaa24ec16671828e343b067a0e605"
+             revision="e35d380fca2499fb3ee939878c2f1795e34c4575"
              />
   </imports>
 </manifest>