[infer][java] add working example with closeQuietly in the tests

Summary:
@public
Using the Closeable as resource approach allows to deal with the case of user defined varations of closeQuietly

Test Plan: Infer CI.

infer/tests/codetoanalyze/java/infer/CloseableAsResourceExample.java

@@ -8,6 +8,7 @@ import java.io.Closeable;
 import java.io.IOException;
 import java.io.StringReader;
 
+
 public class CloseableAsResourceExample {
 
   class LocalException extends IOException {
@@ -94,4 +95,24 @@ public class CloseableAsResourceExample {
     ByteArrayInputStream stream = new ByteArrayInputStream(array);
   }
 
+  void closingWithCloseQuietly() {
+    SomeResource r = null;
+    try {
+      r = new SomeResource();
+      r.doSomething();
+    } catch (IOException e) {
+    } finally {
+      Utils.closeQuietly(r);
+    }
+  }
+
+  void failToCloseWithCloseQuietly() {
+    try {
+      SomeResource r = new SomeResource();
+      r.doSomething();
+      Utils.closeQuietly(r);
+    } catch (IOException e) {
+    }
+  }
+
 }

infer/tests/codetoanalyze/java/infer/Utils.java

@@ -0,0 +1,18 @@
+// Copyright (c) 2015-Present Facebook. All rights reserved.
+
+package codetoanalyze.java.infer;
+
+import java.io.Closeable;
+
+public class Utils {
+
+    public static void closeQuietly(Closeable closeable) {
+      try {
+        if (closeable != null) {
+          closeable.close();
+        }
+      } catch (Exception ex) {
+      }
+    }
+
+}

infer/tests/endtoend/java/infer/CloseableAsResourceTest.java

@@ -34,6 +34,7 @@ public class CloseableAsResourceTest {
         "withException",
         "notClosingCloseable",
         "notClosingWrapper",
+        "failToCloseWithCloseQuietly",
     };
     assertThat(
         "Results should not contain resource leak errors",