Featurise the disable of libdashplayer

Disabling libdashplayer for MR2 bringup and then featurising with
PLATFORM_SDK_VERSION

Change-Id: I18b3dfd49f39e2b66dcbe4ff6e83bff002e2a664
Signed-off-by: Hieu Phan <aznrice2k4@gmail.com>