Add verbose mode to build reports

#KT-12700

Verbose mode can be enabled by adding `kotlin.build.report.verbose=true`
to `gradle.properties` file.

compiler/incremental-compilation-impl/test/org/jetbrains/kotlin/incremental/utils/TestICReporter.kt

@@ -17,10 +17,10 @@
 package org.jetbrains.kotlin.incremental.utils
 
 import org.jetbrains.kotlin.cli.common.ExitCode
-import org.jetbrains.kotlin.incremental.ICReporter
+import org.jetbrains.kotlin.incremental.ICReporterBase
 import java.io.File
 
-class TestICReporter : ICReporter {
+class TestICReporter : ICReporterBase() {
     private val compiledSourcesMutable = arrayListOf<File>()
 
     val compiledSources: List<File>