MoreTypes.asWildcard() is not yet released in auto-common

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Created by MOE: https://github.com/google/moe
MOE_MIGRATED_REVID=149591891

Author: ronshapiro

java/dagger/android/processor/AndroidMapKeyValidator.java

@@ -46,6 +46,7 @@
 import javax.lang.model.element.TypeElement;
 import javax.lang.model.type.DeclaredType;
 import javax.lang.model.type.TypeMirror;
+import javax.lang.model.type.WildcardType;
 import javax.lang.model.util.Elements;
 import javax.lang.model.util.Types;
 import javax.tools.Diagnostic.Kind;
@@ -97,7 +98,8 @@ private static TypeMirror mapKeyValue(Class<? extends Annotation> annotation, El
     List<ExecutableElement> mapKeyMethods =
         methodsIn(elements.getTypeElement(annotation.getCanonicalName()).getEnclosedElements());
     TypeMirror returnType = getOnlyElement(mapKeyMethods).getReturnType();
-    return MoreTypes.asWildcard(getOnlyElement(MoreTypes.asDeclared(returnType).getTypeArguments()))
+    // TODO(ronshapiro): replace with MoreTypes.asWildcard() when auto-common 0.9 is released
+    return ((WildcardType) getOnlyElement(MoreTypes.asDeclared(returnType).getTypeArguments()))
         .getExtendsBound();
   }