don't mark methods overridden by a root as root.

Summary: I can't think of a reason why. It doesn't seem to affect anything either.

Reviewed By: agampe

Differential Revision: D49800673

fbshipit-source-id: b06c47857fe6fa29d64207615d7b753ce9e26b0f

libredex/CallGraph.cpp

@@ -157,11 +157,6 @@ RootAndDynamic MultipleCalleeBaseStrategy::get_roots() const {
     for (auto overriding_method : overriding_methods) {
       add_root_method_overrides(overriding_method);
     }
-    const auto& overiden_methods =
-        mog::get_overridden_methods(m_method_override_graph, method);
-    for (auto overiden_method : overiden_methods) {
-      add_root_method_overrides(overiden_method);
-    }
   });
   // Gather methods that override or implement external or native methods
   // as well.
@@ -271,11 +266,6 @@ RootAndDynamic CompleteCallGraphStrategy::get_roots() const {
     for (auto overriding_method : overriding_methods) {
       add_root_method_overrides(overriding_method);
     }
-    const auto& overiden_methods =
-        mog::get_overridden_methods(m_method_override_graph, method);
-    for (auto overiden_method : overiden_methods) {
-      add_root_method_overrides(overiden_method);
-    }
   });
   // Gather methods that override or implement external methods
   for (auto& pair : m_method_override_graph.nodes()) {