KAPT: Mark incremental cache as LocalState

Use @LocalState to mark incremental annotation processing cache directory.
This is to make sure this is not stored in the build cache as it contains
absolute paths and cannot be shared between machines.

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/kapt/KaptTask.kt

@@ -58,7 +58,7 @@ abstract class KaptTask : ConventionTask(), TaskWithLocalState {
     internal var classpathStructure: FileCollection? = null
 
     /** Output directory that contains caches necessary to support incremental annotation processing. */
-    @get:OutputDirectory
+    @get:LocalState
     @get:Optional
     var incAptCache: File? = null