Filter out non-builtin package fragments from module when needed

In subsequent commits, a JVM module will be able to have up to two package
fragments for a given package FQ name. For example, for package "kotlin" in
kotlin-runtime.jar there will be a LazyJavaPackageFragment with binary
(Kotlin+Java) dependencies, and a BuiltInsPackageFragment for built-ins
metadata (which is loaded from kotlin/kotlin.kotlin_builtins)

compiler/backend/src/org/jetbrains/kotlin/codegen/builtinSpecialBridges.kt

@@ -119,7 +119,7 @@ object BuiltinSpecialBridgesUtil {
     ): Boolean {
         if (BuiltinMethodsWithSpecialGenericSignature.getDefaultValueForOverriddenBuiltinFunction(this) == null) return false
 
-        val builtin = getOverriddenBuiltinReflectingJvmDescriptor()!!
+        val builtin = getOverriddenBuiltinReflectingJvmDescriptor() ?: error("Overridden built-in member not found: $this")
         return signatureByDescriptor(this) == signatureByDescriptor(builtin)
     }
 }