Metric for job quota reductions for buggy apps

Adding a counter to count whenever a job has its quota reduced because
job scheduler considers its host app as buggy.

Test: statsd_testdrive 528

Bug: 291146667
Change-Id: Iab2ba82fa3b75672d55fdb463d2b120959ee8a9b

stats/express/catalog/job_scheduler.cfg

diff --git a/stats/express/catalog/job_scheduler.cfg b/stats/express/catalog/job_scheduler.cfg
index 759e55a..edc71ee 100644
--- a/stats/express/catalog/job_scheduler.cfg
+++ b/stats/express/catalog/job_scheduler.cfg
@@ -519,3 +519,13 @@
     unit: UNIT_COUNT
     type: COUNTER
 }
+
+express_metric {
+    id: "job_scheduler.value_job_quota_reduced_due_to_buggy_uid"
+    display_name: "JobScheduler quota reductions for buggy apps"
+    description: "Counting the times the quota for a job was reduced because the hosting app was buggy"
+    owner_email: "nalini-team@google.com"
+    owner_email: "kwekua@google.com"
+    unit: UNIT_COUNT
+    type: COUNTER_WITH_UID
+}