Avoid Data Usage AppDetailsFragment ISE.

Bug: 6022913
Change-Id: I4672b327096add4beeeb52f0bb467622b3467fcf
diff --git a/src/com/android/settings/DataUsageSummary.java b/src/com/android/settings/DataUsageSummary.java
index d680e65..b8f8125 100644
--- a/src/com/android/settings/DataUsageSummary.java
+++ b/src/com/android/settings/DataUsageSummary.java
@@ -1504,7 +1504,7 @@
             ft.add(fragment, TAG_APP_DETAILS);
             ft.addToBackStack(TAG_APP_DETAILS);
             ft.setBreadCrumbTitle(label);
-            ft.commit();
+            ft.commitAllowingStateLoss();
         }
 
         @Override