Update custom-tabs-client to use Gerrit for codereview

Bug: 766215
Change-Id: Ia9ca9ac9f95ceb3b0c0879fef1c42809c27ed698
Reviewed-on: https://chromium-review.googlesource.com/755479
Reviewed-by: Yusuf Ozuysal <yusufo@chromium.org>

Author: aarongable

codereview.settings

@@ -1,5 +1,4 @@
-# This file is used by 'git cl' to get repository specific information.
-CODE_REVIEW_SERVER: codereview.chromium.org
-#CC_LIST:
-VIEW_VC: https://github.com/GoogleChrome/custom-tabs-client/commit/
+# This file is used by 'git cl' to get repository-specific information.
+GERRIT_HOST: True
 PROJECT: custom-tabs-client
+VIEW_VC: https://chromium.googlesource.com/custom-tabs-client/+/

infra/config/cq.cfg

@@ -3,16 +3,15 @@
 
 version: 1
 cq_name: "custom-tabs-client"
-git_repo_url: "https://github.com/GoogleChrome/custom-tabs-client.git"
+git_repo_url: "https://chromium.googlesource.com/custom-tabs-client"
 cq_status_url: "https://chromium-cq-status.appspot.com"
 
-rietveld {
-  url: "https://codereview.chromium.org"
-}
+gerrit {}
 
 verifiers {
-  reviewer_lgtm {
-     committer_list: "project-chromium-committers"
+  gerrit_cq_ability {
+    committer_list: "project-chromium-committers"
+    dry_run_access_list: "project-chromium-tryjob-access"
   }
 
   try_job {