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

compiler/testData/codegen/light-analysis/annotations/kotlinPropertyFromClassObjectAsParameter.txt

@@ -1,5 +1,6 @@
 @kotlin.annotation.Retention
 @java.lang.annotation.Retention
+@kotlin.Metadata
 public annotation class Ann {
     public abstract method b(): byte
     public abstract method bool(): boolean
@@ -12,6 +13,7 @@ public annotation class Ann {
     public abstract method str(): java.lang.String
 }
 
+@kotlin.Metadata
 public final class Foo {
     public final static field Companion: Foo.Companion
     public final static field b: byte
@@ -27,16 +29,19 @@ public final class Foo {
     public method <init>(): void
 }
 
+@kotlin.Metadata
 public final static class Foo/Companion {
     inner class Foo/Companion
     private method <init>(): void
 }
 
+@kotlin.Metadata
 public final class KotlinPropertyFromClassObjectAsParameterKt {
     public final static @org.jetbrains.annotations.NotNull method box(): java.lang.String
 }
 
 @Ann
+@kotlin.Metadata
 public final class MyClass {
     public method <init>(): void
 }