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

third_party/sqlite/src/test/exclusive2.test

Index: third_party/sqlite/src/test/exclusive2.test
diff --git a/third_party/sqlite/src/test/exclusive2.test b/third_party/sqlite/src/test/exclusive2.test
index 18f304dbbe30b50a826d145408222f1ea7f923a0..712363e7620fd357e40dfd3c39fae86c574c138e 100644
--- a/third_party/sqlite/src/test/exclusive2.test
+++ b/third_party/sqlite/src/test/exclusive2.test
@@ -25,6 +25,14 @@ ifcapable {!pager_pragmas} {
   return
 }
 
+# Tests in this file verify that locking_mode=exclusive causes SQLite to
+# use cached pages even if the database is changed on disk. This doesn't
+# work with mmap.
+if {[permutation]=="mmap"} {
+  finish_test
+  return
+}
+
 # This module does not work right if the cache spills at unexpected
 # moments.  So disable the soft-heap-limit.
 #
@@ -259,8 +267,8 @@ do_test exclusive2-2.8 {
 
 db close
 catch {close $::fd}
-file delete -force test.db
-file delete -force test.db-journal
+forcedelete test.db
+forcedelete test.db-journal
 
 do_test exclusive2-3.0 {
   sqlite3 db test.db
@@ -293,7 +301,6 @@ do_test exclusive2-3.3 {
   readPagerChangeCounter test.db
 } {4}
 do_test exclusive2-3.4 {
-breakpoint
   execsql {
     INSERT INTO t1 VALUES(randstr(200, 200));
   }