Add //third_party/sqlite to dirs_to_snapshot, remove net_sql.patch

third_party/sqlite/src/test/async.test

Index: third_party/sqlite/src/test/async.test
diff --git a/third_party/sqlite/src/test/async.test b/third_party/sqlite/src/test/async.test
index f1d641da7a9b11aa49008b3d060b122efaa584c2..e1bc08642e50a2fc409b3ecdab14aa74b88ab1b1 100644
--- a/third_party/sqlite/src/test/async.test
+++ b/third_party/sqlite/src/test/async.test
@@ -68,7 +68,7 @@ foreach testfile [lsort -dictionary [glob $testdir/*.test]] {
 
   # Make sure everything is flushed through. This is because [source]ing 
   # the next test file will delete the database file on disk (using
-  # [file delete]). If the asynchronous backend still has the file
+  # [delete_file]). If the asynchronous backend still has the file
   # open, it will become confused.
   #
   flush_async_queue