This is to add capability for vendor to decide whether a cpufreq update is needed, e.g. up/down rate limit. Using restricted hook since it can be called from scheduler wakeup path. Bug: 170511085 Signed-off-by: Wei Wang <wvw@google.com> Change-Id: If9adea3a3e31efbf3858fbd009665a07dc70c638 (cherry picked from commit f9f3464532a045257f8138338b1beda86ef0a3be) Signed-off-by: Will McVicker <willmcvicker@google.com>