Allow system_server to schedule mediaswcodec

bug: 130669553
Change-Id: I49d4ef473181d2270d90a9350c5e05b8b7db76bb
(cherry-picked from https://android-review.googlesource.com/c/platform/system/sepolicy/+/946836)
diff --git a/private/system_server.te b/private/system_server.te
index 07e53d0..c05413a 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -115,6 +115,7 @@
 allow system_server hal_audio:process { getsched setsched };
 allow system_server hal_bluetooth:process { getsched setsched };
 allow system_server hal_omx_server:process { getsched setsched };
+allow system_server mediaswcodec:process { getsched setsched };
 allow system_server cameraserver:process { getsched setsched };
 allow system_server hal_camera:process { getsched setsched };
 allow system_server mediaserver:process { getsched setsched };