Slightly improve TrafficController dump output.

Before:
      current ownerMatch configuration: 28
      current statsMap configuration: 0

After:
      current ownerMatch configuration: 28 DOZABLE_MATCH STANDBY_MATCH POWERSAVE_MATCH
      current statsMap configuration: 0 SELECT_MAP_A

Test: adb shell dumpsys netd trafficcontroller
Change-Id: I5649d5f5a52e7e19be4460bb2f9861334ac60409
1 file changed