DO NOT MERGE Add an OEM configurable limit for zen rules

Test: ZenModeHelperTest
Bug: 220735360
Change-Id: I3da105951af90007bf48dc6cf00aed3e28778b36
Merged-In: I3da105951af90007bf48dc6cf00aed3e28778b36
(cherry picked from commit 1db5d40205929f253f1d2bbf541f428020b3b28e)
Merged-In: I3da105951af90007bf48dc6cf00aed3e28778b36
2 files changed