Update Tuner Resources in Tuner Service

Test: atest android.media.tv.tuner.cts
Bug: 159067322
Change-Id: Ieff22f0fe50c0515ca2545485d62defaaa47b88d
diff --git a/services/tuner/mediatuner.rc b/services/tuner/mediatuner.rc
index b0347be..fd30618 100644
--- a/services/tuner/mediatuner.rc
+++ b/services/tuner/mediatuner.rc
@@ -1,6 +1,5 @@
 service media.tuner /system/bin/mediatuner
     class main
-    user media
     group media
     ioprio rt 4
-    task_profiles ProcessCapacityHigh HighPerformance
\ No newline at end of file
+    task_profiles ProcessCapacityHigh HighPerformance