8284950: CgroupV1 detection code should consider memory.swappiness

test/hotspot/jtreg/containers/docker/TestCgroupV1Memory.java

@@ -72,7 +72,6 @@ private static void testMemoryLimit() throws Exception {
     }
 
     private static void testMemoryLimitWithSwappiness() throws Exception {
-
         CgroupV1TestUtils.initSubSystem(SUB_SYSTEM_NAME, "memory.swappiness=0");
         OutputAnalyzer out = commonMemorySetting();
         out.shouldContain("Memory Limit: 50.00M")
@@ -97,6 +96,6 @@ private static OutputAnalyzer commonMemorySetting() throws Exception {
         OutputAnalyzer outputAnalyzer = CgroupV1TestUtils
                 .runJavaApp(subSystems, jvmOps , "PrintContainerInfo");
         return outputAnalyzer;
-    } 
+    }
 
 }