Java: Add overrides to the interpretation of neutral MaD models.

Author: aschackmull

java/ql/lib/semmle/code/java/dataflow/ExternalFlow.qll

@@ -416,7 +416,7 @@ private predicate elementSpec(
   or
   summaryModel(package, type, subtypes, name, signature, ext, _, _, _, _, _)
   or
-  neutralModel(package, type, name, signature, _, _) and ext = "" and subtypes = false
+  neutralModel(package, type, name, signature, _, _) and ext = "" and subtypes = true
 }
 
 private string getNestedName(Type t) {

java/ql/lib/semmle/code/java/dataflow/internal/FlowSummaryImpl.qll

@@ -34,7 +34,7 @@ module Input implements InputSig<Location, DataFlowImplSpecific::JavaDataFlow> {
   ) {
     exists(string namespace, string type, string name, string signature |
       neutralModel(namespace, type, name, signature, kind, provenance) and
-      c.asCallable() = interpretElement(namespace, type, false, name, signature, "", isExact)
+      c.asCallable() = interpretElement(namespace, type, true, name, signature, "", isExact)
     )
   }
 

java/ql/src/utils/modeleditor/ModelEditor.qll

@@ -77,7 +77,7 @@ class Endpoint extends Callable {
   predicate isNeutral() {
     exists(string namespace, string type, string name, string signature |
       neutralModel(namespace, type, name, signature, _, _) and
-      this = interpretElement(namespace, type, false, name, signature, "", _)
+      this = interpretElement(namespace, type, true, name, signature, "", _)
     )
   }