[infra] Add todo for reclient migration cleanup

Bug: b/245249582
Change-Id: Ib7e3c4f171c97dd2d45f13adcec5d3db3f081ca6
Reviewed-on: https://webrtc-review.googlesource.com/c/src/+/291302
Commit-Queue: Mirko Bonadei <mbonadei@webrtc.org>
Reviewed-by: Takuto Ikuta <tikuta@google.com>
Auto-Submit: Junji Watanabe <jwata@google.com>
Reviewed-by: Mirko Bonadei <mbonadei@webrtc.org>
Cr-Commit-Position: refs/heads/main@{#39178}
diff --git a/tools_webrtc/mb/mb_config.pyl b/tools_webrtc/mb/mb_config.pyl
index 0198273..bd5272c 100644
--- a/tools_webrtc/mb/mb_config.pyl
+++ b/tools_webrtc/mb/mb_config.pyl
@@ -11,6 +11,9 @@
 # configurations source-side instead of in the buildbot scripts. That makes it
 # easy to try different configurations of GN args in tryjob patches.
 
+# TODO(b/245249582): clean up after completing reclient migration.
+# - replace use_goma=true with use_remoteexec=true.
+# - remove '*_reclient' configs.
 {
   # This is a map of buildbot builder group names -> buildbot builder names ->
   # config names (where each config name is a key in the 'configs' dict,