Fix crash in mediaextractor

Allow sched_setscheduler

Bug: 27374300

Change-Id: I3d88e2904981a1dc392d47728178798be91ec294
diff --git a/services/mediaextractor/minijail/seccomp_policy/mediaextractor-seccomp-x86.policy b/services/mediaextractor/minijail/seccomp_policy/mediaextractor-seccomp-x86.policy
index 6c44886..3d258c7 100644
--- a/services/mediaextractor/minijail/seccomp_policy/mediaextractor-seccomp-x86.policy
+++ b/services/mediaextractor/minijail/seccomp_policy/mediaextractor-seccomp-x86.policy
@@ -28,6 +28,7 @@
 exit_group: 1
 rt_sigreturn: 1
 faccessat: 1
+sched_setscheduler: 1
 
 # for attaching to debuggerd on process crash
 socketcall: 1