audio: Remove UID check from per-app volume commands

SystemUI needs to call these but it runs under app UID.
It's not really necessary anyway since the framework API requires
MODIFY_AUDIO_ROUTING permission which is granted only to system apps.

Change-Id: Iecfd17207d8651846a919b33c39bdc2d7eb434ec
Signed-off-by: Pranav Vashi <neobuddy89@gmail.com>
1 file changed