cpufreq: interactive: Consider changed min limit a frequency boost

A changed policy->min can safely be considered a frequency boost.
Process this change analogous to the cpufreq_interactive_boost()
routine.

Change-Id: Ie4ca2be2dad0f5bd541c2b79afee3bad3a349d80
cpufreq: interactive: Honor boosted state in several timer calculations

Change-Id: If03da12c52d89a5293e32ac918db44a00ef34884
Revert "timekeeping: Fix time moving backwards"

This reverts commit 14ad53d8bea27675f3eeb8f7cc9d47626657168b.

Change-Id: I72dd13cbbdd248955fe56ab2146b0b0dfb345f4e