[roll] Roll fuchsia [magma] Add --raw-counters options to mali-performance-counters

This allows us to dump the raw counters with no processing; this
supports more types of counters and allows us to compare them more
easily with the ARM documentation.

Original-Reviewed-on: https://fuchsia-review.googlesource.com/c/fuchsia/+/562102
Original-Revision: 6c7ffb9e7358cf8fb0e6f7f3d98eeaf0de68520c
GitOrigin-RevId: cbfe9a27b5c1fc971934b5725201908211306ffe
Change-Id: Ic5da6f0524b3a56146b85b01d944697c7d01b291
diff --git a/stem b/stem
index 7152f54..244ebaf 100644
--- a/stem
+++ b/stem
@@ -10,7 +10,7 @@
              githooks=""
              remote="https://fuchsia.googlesource.com/fuchsia"
              gerrithost="https://fuchsia-review.googlesource.com"
-             revision="f267f62dd08d23f8cc869d275174c7c33ad27178"/>
+             revision="6c7ffb9e7358cf8fb0e6f7f3d98eeaf0de68520c"/>
   </projects>
   <hooks>
     <hook name="install-environment"