Kapt: Disable location mapping by default, allow to enable it manually

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/internal/Kapt3KotlinGradleSubplugin.kt

@@ -278,6 +278,7 @@ class Kapt3KotlinGradleSubplugin : KotlinGradleSubplugin<KotlinCompile> {
 
         pluginOptions += SubpluginOption("useLightAnalysis", "${kaptExtension.useLightAnalysis}")
         pluginOptions += SubpluginOption("correctErrorTypes", "${kaptExtension.correctErrorTypes}")
+        pluginOptions += SubpluginOption("mapDiagnosticLocations", "${kaptExtension.mapDiagnosticLocations}")
         pluginOptions += FilesSubpluginOption("stubs", listOf(getKaptStubsDir()))
 
         if (project.hasProperty(VERBOSE_OPTION_NAME) && project.property(VERBOSE_OPTION_NAME) == "true") {

libraries/tools/kotlin-gradle-plugin/src/main/kotlin/org/jetbrains/kotlin/gradle/plugin/KaptExtension.kt

@@ -30,6 +30,8 @@ open class KaptExtension {
 
     open var correctErrorTypes: Boolean = false
 
+    open var mapDiagnosticLocations: Boolean = false
+
     open var processors: String = ""
 
     /** Explicit opt-in switch for Kapt caching. Should be used when annotation processors used by this project are