Remove need for SchedulingPolicyService (JAVA based)

Change-Id: I9d1bce81ce09b1c75ff61a92e1473eb804a01eaa
Signed-off-by: Ricardo Salveti de Araujo <ricardo.salveti@canonical.com>
MediaCodecList.cpp: first trying media_codecs.xml from /system/etc

Signed-off-by: Yen-Chin Lee <coldnew.tw@gmail.com>