add mediaswcodec to watchdog and dumpstate

bug: 130887807
test: adb bugreport and check mediaswcodec stack is there
Change-Id: I4a37e4e06c4905f435e96d8b1497e3617e688478
diff --git a/private/system_server.te b/private/system_server.te
index ce6808c..8c525de 100644
--- a/private/system_server.te
+++ b/private/system_server.te
@@ -266,8 +266,9 @@
   inputflinger
   mediadrmserver
   mediaextractor
-  mediaserver
   mediametrics
+  mediaserver
+  mediaswcodec
   sdcardd
   statsd
   surfaceflinger