Simplify boolean condition

Extracting to a method the remaining inline conditional improves code
readability.

Change-Id: I0bdb6e4c5dbe88611c291521d08012a4f7e1cd16

src/main/java/com/googlesource/gerrit/plugins/its/base/its/ItsConfig.java

diff --git a/src/main/java/com/googlesource/gerrit/plugins/its/base/its/ItsConfig.java b/src/main/java/com/googlesource/gerrit/plugins/its/base/its/ItsConfig.java
index 2f06f8b..de22f9c 100644
--- a/src/main/java/com/googlesource/gerrit/plugins/its/base/its/ItsConfig.java
+++ b/src/main/java/com/googlesource/gerrit/plugins/its/base/its/ItsConfig.java
@@ -98,17 +98,8 @@
           projectNK.get());
       return false;
     }
-
-    if (isEnforcedByAnyParentProject(refName, projectState)) {
-      return true;
-    }
-
-    return !"false"
-            .equals(
-                pluginCfgFactory
-                    .getFromProjectConfigWithInheritance(projectState, pluginName)
-                    .getString("enabled", "false"))
-        && isEnabledForBranch(projectState, refName);
+    return isEnforcedByAnyParentProject(refName, projectState)
+        || (isEnabledForProject(projectState) && isEnabledForBranch(projectState, refName));
   }
 
   private boolean isEnforcedByAnyParentProject(String refName, ProjectState projectState) {
@@ -122,6 +113,14 @@
     return false;
   }
 
+  private boolean isEnabledForProject(ProjectState projectState) {
+    return !"false"
+        .equals(
+            pluginCfgFactory
+                .getFromProjectConfigWithInheritance(projectState, pluginName)
+                .getString("enabled", "false"));
+  }
+
   private boolean isEnabledForBranch(ProjectState project, String refName) {
     String[] refPatterns =
         pluginCfgFactory