tree a2a33cd55154e9f12de18ca8c0694f739951f3f7
parent 021e244a51520aa6f256b174d1087d9d4eba62a4
author Yaowu Xu <yaowu@google.com> 1418858133 -0800
committer Yaowu Xu <yaowu@google.com> 1418858281 -0800

Corrected value range of --cpu-used for vp9

This commit removes undefined value options of cpu-used for VP9 and
changed vpxenc prompt to reflect the usable range of [-8,8]

Change-Id: Ib80fef3dbb6ec9aabac45ed13e8ab6fbaf94f55e