Ensure that config processor runs with only AutoConfiguration

Fixes gh-31186

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/main/java/org/springframework/boot/configurationprocessor/ConfigurationMetadataAnnotationProcessor.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -59,7 +59,8 @@ import org.springframework.boot.configurationprocessor.metadata.ItemMetadata;
  * @author Jonas Keßler
  * @since 1.2.0
  */
-@SupportedAnnotationTypes({ ConfigurationMetadataAnnotationProcessor.CONFIGURATION_PROPERTIES_ANNOTATION,
+@SupportedAnnotationTypes({ ConfigurationMetadataAnnotationProcessor.AUTO_CONFIGURATION_ANNOTATION,
+		ConfigurationMetadataAnnotationProcessor.CONFIGURATION_PROPERTIES_ANNOTATION,
 		ConfigurationMetadataAnnotationProcessor.CONTROLLER_ENDPOINT_ANNOTATION,
 		ConfigurationMetadataAnnotationProcessor.ENDPOINT_ANNOTATION,
 		ConfigurationMetadataAnnotationProcessor.JMX_ENDPOINT_ANNOTATION,
@@ -97,6 +98,8 @@ public class ConfigurationMetadataAnnotationProcessor extends AbstractProcessor
 
 	static final String NAME_ANNOTATION = "org.springframework.boot.context.properties.bind.Name";
 
+	static final String AUTO_CONFIGURATION_ANNOTATION = "org.springframework.boot.autoconfigure.AutoConfiguration";
+
 	private static final Set<String> SUPPORTED_OPTIONS = Collections
 			.unmodifiableSet(Collections.singleton(ADDITIONAL_METADATA_LOCATIONS_OPTION));
 

spring-boot-project/spring-boot-tools/spring-boot-configuration-processor/src/test/java/org/springframework/boot/configurationprocessor/ConfigurationMetadataAnnotationProcessorTests.java

@@ -80,7 +80,8 @@ class ConfigurationMetadataAnnotationProcessorTests extends AbstractMetadataGene
 	@Test
 	void supportedAnnotations() {
 		assertThat(new ConfigurationMetadataAnnotationProcessor().getSupportedAnnotationTypes())
-				.containsExactlyInAnyOrder("org.springframework.boot.context.properties.ConfigurationProperties",
+				.containsExactlyInAnyOrder("org.springframework.boot.autoconfigure.AutoConfiguration",
+						"org.springframework.boot.context.properties.ConfigurationProperties",
 						"org.springframework.context.annotation.Configuration",
 						"org.springframework.boot.actuate.endpoint.annotation.Endpoint",
 						"org.springframework.boot.actuate.endpoint.jmx.annotation.JmxEndpoint",