fixed one more stage syntax for jenkins build

Jenkinsfile

@@ -16,7 +16,7 @@ parallel 'centos7': {
             checkout scm
         }
 	
-        stage "Build Android NDK" { 
+        stage('Build Android NDK') { 
             sh '/android/android-ndk-r13/ndk-build -C $WORKSPACE/java ZT1=$WORKSPACE'
         }
     }