Avoid infinite loop in case system_server does not have delete access.

This must not ever happen, but if it does then let's crash with a good
error message instead of hanging and getting out of stack memory
exception.

Bug: 269072872
Test: atest ShortcutManagerTest1
Change-Id: I7e4d9ac612c9e4e45d1521e3bebfb787fe21c953

services/core/java/com/android/server/pm/ResilientAtomicFile.java

@@ -230,7 +230,9 @@ final class ResilientAtomicFile implements Closeable {
                             + Log.getStackTraceString(e));
         }
 
-        mCurrentFile.delete();
+        if (!mCurrentFile.delete()) {
+            throw new IllegalStateException("Failed to remove " + mCurrentFile);
+        }
         mCurrentFile = null;
     }