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: 285104297
Bug: 283761535
Signed-off-by: Qais Yousef <qyousef@google.com>
Change-Id: I57343c4544f6cac621c855cbb94de0b8d80c51fa
(cherry picked from commit 1f7d2102)
Signed-off-by: Qais Yousef <qyousef@google.com>