Temporary changed wait time for PreCreatedUserHostTest

Bug: 181907341
Test: atest CtsCarHostTestCases:android.car.cts.PreCreateUsersHostTest
Change-Id: I23afdd51fa93ef4860b0bcb548c921791a7fe409
diff --git a/hostsidetests/car/src/android/car/cts/PreCreateUsersHostTest.java b/hostsidetests/car/src/android/car/cts/PreCreateUsersHostTest.java
index e150e8c..d98024c 100644
--- a/hostsidetests/car/src/android/car/cts/PreCreateUsersHostTest.java
+++ b/hostsidetests/car/src/android/car/cts/PreCreateUsersHostTest.java
@@ -249,7 +249,7 @@
 
     // TODO(b/170263003): update this method after core framewokr's refactoring for proto
     private void waitUntilUserPermissionsIsReady(int userId) throws InterruptedException {
-        int napTimeSec = 10;
+        int napTimeSec = 20;
         CLog.i("Sleeping %ds to make permissions for user %d is ready", napTimeSec, userId);
         sleep(napTimeSec * 1_000);
     }