Fix StatusTool related issues on Windows (#2798)

- Add missing file permission for tests
- Update invalid path filter for Windows

(cherry picked from commit 290dba6)

Author: malliaridis

gradle/testing/randomization/policies/solr-tests.policy

@@ -255,7 +255,8 @@ grant {
 
   // Run java
   permission java.io.FilePermission "${java.home}${/}-", "execute";
-  permission java.io.FilePermission "C:\\Windows\\*\\wmic.exe", "execute";
+  // Required by SolrProcessManager on Windows to find Solr processes, used by StatusTool (CLI)
+  permission java.io.FilePermission "<<ALL FILES>>", "execute";
 };
 
 // Grant all permissions to Gradle test runner classes.

solr/core/src/test/org/apache/solr/cli/SolrProcessManagerTest.java

@@ -85,7 +85,7 @@ private static Pair<Integer, Process> createProcess(int port, boolean https) thr
     // Get the path to the java executable from the current JVM
     String classPath =
         Arrays.stream(System.getProperty("java.class.path").split(File.pathSeparator))
-            .filter(p -> p.contains("solr/core/build"))
+            .filter(p -> p.contains("solr") && p.contains("core") && p.contains("build"))
             .collect(Collectors.joining(File.pathSeparator));
     ProcessBuilder processBuilder =
         new ProcessBuilder(