HADOOP-14515. Specifically configure zookeeper-related log levels in KMS log4j.

hadoop-common-project/hadoop-kms/src/test/resources/log4j.properties

@@ -28,4 +28,7 @@ log4j.logger.org.apache.hadoop.crytpo.key.kms.server=ALL
 log4j.logger.com.sun.jersey.server.wadl.generators.WadlGeneratorJAXBGrammarGenerator=OFF
 log4j.logger.org.apache.hadoop.security=OFF
 log4j.logger.org.apache.directory.server.core=OFF
-log4j.logger.org.apache.hadoop.util.NativeCodeLoader=OFF
+log4j.logger.org.apache.hadoop.util.NativeCodeLoader=OFF
+# make zookeeper log level an explicit config, and not changing with rootLogger.
+log4j.logger.org.apache.zookeeper=INFO
+log4j.logger.org.apache.curator=INFO