Give system server permission to access USB. DO NOT MERGE

Change-Id: I8d64bcaf2483eaa8690aef7ee2d1bb8ed9453fbe
Signed-off-by: Mike Lockwood <lockwood@android.com>

Author: mikeandroid

core/java/com/android/internal/os/ZygoteInit.java

@@ -511,7 +511,7 @@ private static boolean startSystemServer()
         String args[] = {
             "--setuid=1000",
             "--setgid=1000",
-            "--setgroups=1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,3001,3002,3003",
+            "--setgroups=1001,1002,1003,1004,1005,1006,1007,1008,1009,1010,1018,3001,3002,3003",
             "--capabilities=130104352,130104352",
             "--runtime-init",
             "--nice-name=system_server",