git-cl: Report Gerrit RPC requests information.

Bug: 897394
Change-Id: I055e844299e262be81d5ac52ef24571b8fdfd47c
Reviewed-on: https://chromium-review.googlesource.com/c/1292245
Commit-Queue: Edward Lesmes <ehmaldonado@chromium.org>
Reviewed-by: Andy Perelson <ajp@chromium.org>
Reviewed-by: Andrii Shyshkalov <tandrii@chromium.org>
diff --git a/metrics_utils.py b/metrics_utils.py
index 7cff588..9209344 100644
--- a/metrics_utils.py
+++ b/metrics_utils.py
@@ -17,7 +17,7 @@
 # Current version of metrics recording.
 # When we add new metrics, the version number will be increased, we display the
 # user what has changed, and ask the user to agree again.
-CURRENT_VERSION = 0
+CURRENT_VERSION = 1
 
 APP_URL = 'https://cit-cli-metrics.appspot.com'
 
@@ -34,18 +34,28 @@
 )
 NOTICE_VERSION_CHANGE_HEADER = (
   '*****************************************************\n'
-  '*       WE ARE COLLECTING ADDITIONAL METRICS        *'
+  '*       WE ARE COLLECTING ADDITIONAL METRICS        *\n'
+  '*                                                   *\n'
+  '* Please review the changes and opt-in again.       *'
 )
 NOTICE_FOOTER = (
   '* For more information, and for how to disable this *\n'
   '* message, please see metrics.README.md in your     *\n'
-  '* depot_tools checkout.                             *\n'
+  '* depot_tools checkout or visit                     *\n'
+  '* https://bit.ly/2ufRS4p.                           *\n'
   '*****************************************************\n'
 )
 
 CHANGE_NOTICE = {
   # No changes for version 0
   0: '',
+  1: ('* We want to collect the Git version.               *\n'
+      '* We want to collect information about the HTTP     *\n'
+      '* requests that depot_tools makes, and the git and  *\n'
+      '* cipd commands it executes.                        *\n'
+      '*                                                   *\n'
+      '* We only collect known strings to make sure we     *\n'
+      '* don\'t record PII.                                 *')
 }