(Vector) Add NOTIFY_AFTER_RASTERIZATION property for low fps file + Use UpdateOnce...

(Vector) Add NOTIFY_AFTER_RASTERIZATION property for low fps file + Use UpdateOnce instead of KeepRendering

Let we change renderer rendering behavior is IF_REQUIRED.

It will be useful if app try to render lottie file which has less than 60fps.

+

Let we use UpdateOnce() API for force-rendering instead of KeepRendering().

KeepRendering will make ProcessCoreEvents forcely, which might not be need for animated vector cases.

Change-Id: Iaece9a5ff9e135acfdac404f68bdc690e6a7be8c
Signed-off-by: Eunki, Hong <eunkiki.hong@samsung.com>