Fix braino in scheduler_arm.cc

bug: 112142186
Test: m
Change-Id: Ibed41bf7de2a5d968839c40450e01f6f60394e49
diff --git a/compiler/optimizing/scheduler_arm.cc b/compiler/optimizing/scheduler_arm.cc
index 8dcadaa..d89d117 100644
--- a/compiler/optimizing/scheduler_arm.cc
+++ b/compiler/optimizing/scheduler_arm.cc
@@ -679,7 +679,7 @@
           } else {
             last_visited_internal_latency_ += kArmIntegerOpLatency;
           }
-          last_visited_internal_latency_ = kArmMemoryLoadLatency;
+          last_visited_latency_ = kArmMemoryLoadLatency;
         }
       }
       break;