Increase builder "Lollipop Tablet Tester" timeout to 10 hours.

R=gbeaty@chromium.org, jbudorick@chromium.org

Bug: 1027294
Change-Id: I09cc5709e38440d955a2f9e111c519971578109b
Reviewed-on: https://chromium-review.googlesource.com/c/chromium/src/+/1929763
Reviewed-by: John Budorick <jbudorick@chromium.org>
Commit-Queue: Arthur Wang <wuwang@google.com>
Cr-Commit-Position: refs/heads/master@{#717890}

infra/config/buckets/ci.star

@@ -229,7 +229,7 @@ android_builder(
     name = 'Lollipop Tablet Tester',
     # We have limited tablet capacity and thus limited ability to run
     # tests in parallel, hence the high timeout.
-    execution_timeout = 8 * time.hour,
+    execution_timeout = 10 * time.hour,
 )
 
 android_builder(

infra/config/generated/cr-buildbucket.cfg

@@ -3168,7 +3168,7 @@ buckets: <
         properties_j: "$kitchen:{\"devshell\":true,\"git_auth\":true}"
         properties_j: "mastername:\"chromium.android\""
       >
-      execution_timeout_secs: 28800
+      execution_timeout_secs: 36000
       build_numbers: YES
       service_account: "chromium-ci-builder@chops-service-accounts.iam.gserviceaccount.com"
     >