Increase expiration timeout for luci.
am: 1a20eca7b5

Change-Id: I042050d5e616357ad8214914d95c62d3d0b8cc59
diff --git a/tools/luci/config/cr-buildbucket.cfg b/tools/luci/config/cr-buildbucket.cfg
index d8da12f..8906c39 100644
--- a/tools/luci/config/cr-buildbucket.cfg
+++ b/tools/luci/config/cr-buildbucket.cfg
@@ -33,6 +33,9 @@
     builder_defaults {
       dimensions: "pool:luci.art.ci"
       service_account: "art-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
+      # We have a limited set of runners, so put the expiration time close to
+      # the time it takes to run all steps on most builders.
+      expiration_secs: 36000 # 10h
       execution_timeout_secs: 147600  # 41h
       swarming_tags: "vpython:native-python-wrapper"
       build_numbers: YES