Change-Id: I39a37335ba5b3a969d328afb1f425ddb2cf7ddda
vp9_rdopt is for making rd optimal mode decisions. vp9_rd is for all other rd related routines. Anything used outside of making an rd optimal decision belongs in rd. Change-Id: I772a3073f7588bdf139f551fb9810b6864d8e64b