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

third_party/sqlite/src/test/walnoshm.test

Index: third_party/sqlite/src/test/walnoshm.test
diff --git a/third_party/sqlite/src/test/walnoshm.test b/third_party/sqlite/src/test/walnoshm.test
index de059dd5ca642d884c701fc1c5fd775bf34e29c5..d4082178dde26c7427a8c6aa275cd3413efd7d7d 100644
--- a/third_party/sqlite/src/test/walnoshm.test
+++ b/third_party/sqlite/src/test/walnoshm.test
@@ -87,8 +87,8 @@ do_execsql_test 2.1.2 {
 } {exclusive wal}
 
 do_test 2.1.3 {
-  file copy -force test.db     test2.db
-  file copy -force test.db-wal test2.db-wal
+  forcecopy test.db     test2.db
+  forcecopy test.db-wal test2.db-wal
   sqlite3 db2 test2.db
   catchsql { SELECT * FROM t2 } db2
 } {1 {unable to open database file}}
@@ -104,8 +104,8 @@ do_test 2.1.5 {
 } {exclusive delete a b c d e f g h}
 
 do_test 2.2.1 {
-  file copy -force test.db     test2.db
-  file copy -force test.db-wal test2.db-wal
+  forcecopy test.db     test2.db
+  forcecopy test.db-wal test2.db-wal
   sqlite3 db3 test2.db -vfs tvfsshm
   sqlite3 db2 test2.db
   execsql { SELECT * FROM t2 } db3