Double duration of awaitFinalized in ShadowThemeTest

Looks like shouldFreeNativeObjectInRegistry becomes flaky with JDK17
sometimes on GitHub Actions.

Signed-off-by: utzcoz <utzcoz@outlook.com>

robolectric/src/test/java/org/robolectric/shadows/ShadowThemeTest.java

@@ -301,7 +301,7 @@ public void shouldFreeNativeObjectInRegistry() {
 
   private static <T> void awaitFinalized(WeakReference<T> weakRef) {
     final CountDownLatch latch = new CountDownLatch(1);
-    long deadline = System.nanoTime() + TimeUnit.SECONDS.toNanos(5);
+    long deadline = System.nanoTime() + TimeUnit.SECONDS.toNanos(10);
     while (System.nanoTime() < deadline) {
       if (weakRef.get() == null) {
         return;