[M108 Aura Migration][MM] Enable media auto-playback
Chrome has introduced Autoplay Policy and enables playback based on
use guesture. This patch is to allow auto-playback media on tizen based
on attributes only and Removed volume checks.
W3C spec:
https://www.w3.org/TR/2011/WD-html5-
20110113/video.html#attr-media-autoplay
Reference:
https://review.tizen.org/gerrit/270035
https://review.tizen.org/gerrit/268636
Change-Id: If9a47d5f108192dc9f75386cbf9434f030bea03f
Signed-off-by: lokeshmeena <lokesh.meena@samsung.com>