Allow aocxd to set thread priority

aocxd sets thread scheduler to SCHED_FIFO. This is so audio processing
in aocxd can run without glitching.

vndbinder:11464: type=1400 audit(0.0:17): avc:  denied  { sys_nice } for  capability=23  scontext=u:r:aocxd:s0 tcontext=u:r:aocxd:s0 tclass=capability permissive=0

BUG: 318791959
Change-Id: I9c9148aa7b18ce525091f93956e112b4c178a129
1 file changed