Forward 31842.

Each additional mapping starts a new server on an incremented port. This
patch allows two mappings to work.

BUG=
R=ppi@chromium.org

Review URL: https://codereview.chromium.org/1529963002 .

Cr-Mirrored-From: https://github.com/domokit/mojo
Cr-Mirrored-Commit: b2b646b5c9697feb70e41a15dfe750cb45ae0a9d

remote_adb_setup

diff --git a/remote_adb_setup b/remote_adb_setup
index 4ecd48c..7378d9e 100755
--- a/remote_adb_setup
+++ b/remote_adb_setup
@@ -46,7 +46,7 @@
 #   9998: http server for Flutter
 #   31839: http server for https://core.mojoapps.io
 #   31840: http server for the local mojo: origin
-#   31841: http server for base mappings
+#   31841-31842: http servers for origin mappings
 ssh -C \
     -R 5037:127.0.0.1:5037 \
     -L 8181:127.0.0.1:8181 \
@@ -54,4 +54,5 @@
     -L 31839:127.0.0.1:31839 \
     -L 31840:127.0.0.1:31840 \
     -L 31841:127.0.0.1:31841 \
+    -L 31842:127.0.0.1:31842 \
     "$remote_host"