Support WebP format
Support WebP format

 - Add webp and libwebp-dev library on dali-env
 - Webp animation requires WEBP_DEMUX_ABI_VERSION 0x0107 or later

Change-Id: I03d9adb70439b06bd6c47022b14913169e4881cd
Signed-off-by: Seungho, Baek <eb41b4b4ab7814234e401c31ebc0c41202488340@samsung.com>

dalihub/dali-core,dalihub/dali-core,dalihub/dali-core,dalihub/dali-core