KE2: Log our verbosity level

This happens at `info` level, which is logged by default.

java/kotlin-extractor2/src/main/kotlin/KotlinExtractor.kt

@@ -119,6 +119,7 @@ OLD: KE1
         val logger = Logger(loggerBase, dtw)
         logger.info("Extraction started")
         logger.flush()
+        logger.infoVerbosity()
         logger.info("Extraction for invocation TRAP file $invocationTrapFile")
         logger.flush()
         /*

java/kotlin-extractor2/src/main/kotlin/utils/Logger.kt

@@ -268,6 +268,10 @@ class LoggerBase(val diagnosticCounter: DiagnosticCounter) : BasicLogger {
         }
     }
 
+    fun infoVerbosity(dtw: DiagnosticTrapWriter) {
+        info(dtw, "Kotlin extractor verbosity is " + verbosity.toString())
+    }
+
     override fun warn(dtw: DiagnosticTrapWriter, msg: String, extraInfo: String?) {
         warn(dtw, msg, extraInfo, null)
     }
@@ -348,6 +352,10 @@ open class Logger(val loggerBase: LoggerBase, val dtw: DiagnosticTrapWriter) : B
         info(dtw, msg)
     }
 
+    fun infoVerbosity() {
+        loggerBase.infoVerbosity(dtw)
+    }
+
     override fun warn(dtw: DiagnosticTrapWriter, msg: String, extraInfo: String?) {
         loggerBase.warn(dtw, msg, extraInfo, null)
     }