Removed alarm callback execution statistics

Updating the alarm state after the callback returns can be problematic
in case the callback itself deleted the alarm.

Bug: 67110137
Test: Manual
Change-Id: Id4de06eebedb792cadd63d09efb68672e9bddc69
Merged-In: Id4de06eebedb792cadd63d09efb68672e9bddc69
(cherry picked from commit 04574e1cde3b0d46b59b4b6ebab935ac60af9f97)