ANDROID: Add new hook to enable overriding uclamp_validate()

We want to add more special values, specifically for uclamp_max so that
it can be set automatically to the most efficient value based on the
core it's running on.

Bug: 344826816
Bug: 297343949
Signed-off-by: Qais Yousef <qyousef@google.com>
Change-Id: I57343c4544f6cac621c855cbb94de0b8d80c51fa
(cherry picked from commit 57629741)
[Remove user arg from uclamp_validate as it no longer part of the
function. Trivial conflict in vendor_hooks.c due to code ordering.]
Signed-off-by: Qais Yousef <qyousef@google.com>