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

third_party/sqlite/src/test/thread005.test

 # 2009 March 11
 #
 # The author disclaims copyright to this source code.  In place of
 # a legal notice, here is a blessing:
 #
 #    May you do good and not evil.
 #    May you find forgiveness for yourself and forgive others.
 #    May you share freely, never taking more than you give.
 #
 #***********************************************************************
@@ skipping 103 matching lines @@
 # but it would have no effect on the database contents.
 # 
 # Note that it has so far only proved possible to hit this race-condition
 # when using an ATTACHed database. There doesn't seem to be any reason
 # for this, other than that operating on an ATTACHed database means there
 # are a few more mutex grabs and releases during the window of time open
 # for the race-condition. Maybe this encourages the scheduler to context
 # switch or something...
 #
 
-file delete -force test.db test2.db
+forcedelete test.db test2.db
 unset -nocomplain finished
 
 do_test thread005-2.1 {
   sqlite3 db test.db
   execsql { ATTACH 'test2.db' AS aux }
   execsql {
     CREATE TABLE aux.t1(a INTEGER PRIMARY KEY, b UNIQUE);
     INSERT INTO t1 VALUES(1, 1);
     INSERT INTO t1 VALUES(2, 2);
   }
@@ skipping 94 matching lines @@
 } {ok ok}
 
 do_test thread005-2.3 {
   sqlite3 db test.db
   execsql { ATTACH 'test2.db' AS aux }
   execsql { SELECT count(*) FROM t1 WHERE b IS NULL }
 } {0}
 
 sqlite3_enable_shared_cache $::enable_shared_cache
 finish_test