PeriodicIO: Set hrtimer as inactive when device is disabled

Explicitly set the hrtimer as inactive when the device is disabled. So
when the device/client is re-enabled, the hrtimer would be in the right
state and will be restarted properly.

Bug: 165476611
Bug: 169169020
Test: P21 Camera Test Checklist

Change-Id: Ie953a178b8cd54d3a6e3dbddd19de5e4e263dfd6
(cherry picked from commit 837020bdb22b4ace26138ba773dd249d2a971f9c)
Signed-off-by: J. Avila <elavila@google.com>