Enable VP8 encode for screenrecord

BZ: 161797

changing the mime name from "video/x-webm" to "video/x-vnd.on2.vp8" to
enable access VP8 HW encode via MediaCodec::CreateByType method.

Change-Id: I5fb77be40a651b47cc60e8a5f57019d46a6113ff
Signed-off-by: Liu Bolun <bolun.liu@intel.com>
1 file changed