Update constant thresholds for trigger anomaly report

Thresholds are read from server side(defined in cl/ 438859106)
for easier manipulation in future.

Merged-In: I9c3c384f93c78b8118c7d621dd6d0a8bb91c2ca8
Change-Id: I9c3c384f93c78b8118c7d621dd6d0a8bb91c2ca8
Bug: 222031425
Test: atest + manual