Fixed type prediction for generic factory methods

We're consistently resolving class names now, and the entire algorithm moved from GenericTypeResolver to the internal AutowireUtils helper in the bean factory package.

Issue: SPR-10411
(cherry picked from commit 8b1927f)

spring-core/src/main/java/org/springframework/core/GenericTypeResolver.java

@@ -131,8 +131,10 @@ public abstract class GenericTypeResolver {
 	 * invoked, never {@code null}
 	 * @return the resolved target return type, the standard return type, or {@code null}
 	 * @since 3.2
-	 * @see #resolveReturnType
+	 * @deprecated in favor of resolveReturnTypeForFactoryMethod in the internal
+	 * AutowireUtils class in the beans module; we do not expect other use of it!
 	 */
+	@Deprecated
 	public static Class<?> resolveReturnTypeForGenericMethod(Method method, Object[] args) {
 		Assert.notNull(method, "Method must not be null");
 		Assert.notNull(args, "Argument array must not be null");