ANDROID: power: Add vendor hook to qos for GKI purpose.

Add vendor hooks in add/update/remove frequency QoS request process to
ensure that we can access the OEM's "frequency watchdog" logic for
abnormal frequency monitoring. This is necessary for our power tuning
policy.

Bug: 187458531
Bug: 283222331

Signed-off-by: heshuai1 <heshuai1@xiaomi.com>
Change-Id: I1fb8fd6134432ecfb44ad242c66ccd8280ab9b43
(cherry picked from commit c445fe4d)
(cherry picked from commit 0ea0d6a7)