ANDROID: thermal: Add vendor hooks for thermal

Need to get the request frequency and target frequency
use it to do frequency check and modify it according to
the platform thermal requirements.

Bug: 208166320

Signed-off-by: Jeson Gao <jeson.gao@unisoc.com>
Signed-off-by: Di Shen <di.shen@unisoc.com>
Change-Id: I776b43c8f559b8a072abd8d3abcb3528348b2c5d
(cherry picked from commit fc827b34)
(cherry picked from commit 11f1be44)