evas: enable dynamic flag for zero copy texture upload in ector / Bind to TEXTURE_EXT...

evas: enable dynamic flag for zero copy texture upload in ector / Bind to TEXTURE_EXTERNAL for images with dynamic hint and tbm

This is backport from MCD TIZEN :
   commit ID : 8e2bc203d2cc2ea36123589f2eed70ef59b6a404, a2dc65a843e02fd0932673caa21d6d81f00c19fc
   Author: Dongyeon Kim <dy5.kim@samsung.com>
   Date: 2015-10-13 16:07:18, 2015-10-01 10:05:28

[Title] evas: enable dynamic flag for zero copy texture upload in ector / Bind to TEXTURE_EXTERNAL for images with dynamic hint and tbm[Problem] Animation slow

[Cause] Texture uploading in Adreno is slow

[Solution] Remove texture uploading by enabling dynamic hint set
for images used in ector, and use GL_TEXTURE_EXTERNAL_OES target
for texture bound from tbm surface

[Team] Graphics

Change-Id: I09bd71de6337e574820490a0a763f2c41ed65a03