Merge "Update StaleDataclassProcessor for JDK 17"

import com.android.codegen.CANONICAL_BUILDER_CLASS

import com.android.codegen.CODEGEN_NAME

import com.android.codegen.CODEGEN_VERSION

import com.sun.tools.javac.code.Symbol

import com.sun.tools.javac.code.Type

import java.io.File

import java.io.FileNotFoundException

import javax.annotation.processing.AbstractProcessor

import javax.lang.model.element.Element

import javax.lang.model.element.ElementKind

import javax.lang.model.element.TypeElement

import javax.lang.model.type.ExecutableType

import javax.tools.Diagnostic

private const val STALE_FILE_THRESHOLD_MS = 1000

            append(" ")

            append(elem.annotationMirrors.joinToString(" ", transform = { annotationToString(it) }))

            append(" ")

            if (elem is Symbol) {

                if (elem.type is Type.MethodType) {

                    append((elem.type as Type.MethodType).returnType)

            val type = elem.asType()

            if (type is ExecutableType) {

                append(type.returnType)

            } else {

                    append(elem.type)

                append(type)

            }

            append(" ")

            }

            append(elem)

        }

    }