Add ability to suppress warning for the entire AutoValue class

core/src/main/java/com/google/errorprone/bugpatterns/AutoValueBoxedValues.java

@@ -62,7 +62,7 @@ public class AutoValueBoxedValues extends BugChecker implements ClassTreeMatcher
 
   @Override
   public Description matchClass(ClassTree tree, VisitorState state) {
-    if (!hasAnnotation(tree, AutoValue.class.getName(), state)) {
+    if (!hasAnnotation(tree, AutoValue.class.getName(), state) || isSuppressed(tree, state)) {
       return NO_MATCH;
     }
 

core/src/test/java/com/google/errorprone/bugpatterns/AutoValueBoxedValuesTest.java

@@ -345,6 +345,34 @@ public void mixedTypes_refactoring() {
         .doTest();
   }
 
+  @Test
+  public void unnecessaryBoxedTypes_suppressWarningsForClass() {
+    compilationHelper
+        .addSourceLines(
+            "in/Test.java",
+            mergeLines(
+                lines(
+                    "import com.google.auto.value.AutoValue;",
+                    "@AutoValue",
+                    "@SuppressWarnings(\"AutoValueBoxedValues\")",
+                    "abstract class Test {",
+                    "  public abstract Long longId();",
+                    "  public abstract Integer intId();"),
+                linesWithoutBuilder(
+                    "  static Test create(Long longId, Integer intId) {",
+                    "    return new AutoValue_Test(longId, intId);",
+                    "  }"),
+                linesWithBuilder(
+                    "  @AutoValue.Builder",
+                    "  abstract static class Builder {",
+                    "    abstract Builder setLongId(Long value);",
+                    "    abstract Builder setIntId(Integer value);",
+                    "    abstract Test build();",
+                    "  }"),
+                lines("}")))
+        .doTest();
+  }
+
   @Test
   public void unnecessaryBoxedTypes_suppressWarnings() {
     refactoringHelper