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

third_party/sqlite/src/test/mallocG.test

Index: third_party/sqlite/src/test/mallocG.test
diff --git a/third_party/sqlite/src/test/mallocG.test b/third_party/sqlite/src/test/mallocG.test
index eab533b5b3336a32a8b499d83426392350fd8a83..4f2395db9cdf1b4340ee236ce863876822b223cd 100644
--- a/third_party/sqlite/src/test/mallocG.test
+++ b/third_party/sqlite/src/test/mallocG.test
@@ -53,6 +53,11 @@ do_malloc_test mallocG-3 -sqlprep {
      AND x BETWEEN 'i' AND 'm'
 }
 
+ifcapable !utf16 {
+  finish_test
+  return
+}
+
 proc utf16 {utf8} {
   set utf16 [encoding convertto unicode $utf8]
   append utf16 "\x00\x00"