tree d0706775c8f2c5c8730d070b24ba427ecbfc9560
parent 1ba4c90bb14cd75f8a632201054eec08abb23d67
author Wan-Teh Chang <wtc@google.com> 1649791634 -0700
committer Wan-Teh Chang <wtc@google.com> 1649791634 -0700

Document dv_cost_upd_freq default in realtime only

Document that the default of dv_cost_upd_freq is COST_UPD_OFF in
realtime only builds.

Change-Id: I221ad3e08efe7c954ba598a0ca81b4e533288377