Kapt3: Write stub class files with metadata (needed for incremental compilation)

compiler/testData/codegen/light-analysis/reflection/createAnnotation/primitivesAndArrays.txt

@@ -1,4 +1,5 @@
 @java.lang.annotation.Retention
+@kotlin.Metadata
 public annotation class Anno {
     public abstract method b(): byte
     public abstract method ba(): byte[]
@@ -20,6 +21,7 @@ public annotation class Anno {
     public abstract method za(): boolean[]
 }
 
+@kotlin.Metadata
 public final class PrimitivesAndArraysKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
     public final static @Anno method foo(): void