Fix regression to boolean logic.

Test: visual
Bug: 112640972
Change-Id: I008e971446228136159b1570882846afb048987c
diff --git a/services/core/java/com/android/server/StorageManagerService.java b/services/core/java/com/android/server/StorageManagerService.java
index 30a8557..306cd83 100644
--- a/services/core/java/com/android/server/StorageManagerService.java
+++ b/services/core/java/com/android/server/StorageManagerService.java
@@ -3830,7 +3830,7 @@
         @Override
         public void onExternalStoragePolicyChanged(int uid, String packageName) {
             // No runtime storage permissions in isolated storage world, so nothing to do here.
-            if (!ENABLE_ISOLATED_STORAGE) return;
+            if (ENABLE_ISOLATED_STORAGE) return;
             final int mountMode = getExternalStorageMountMode(uid, packageName);
             remountUidExternalStorage(uid, mountMode);
         }