minadbd: update service_to_fd() signature.

No functional change, just matching the signature to an adb change. See
https://android-review.googlesource.com/#/c/169601/.

Change-Id: Ic826864e126054849b3a4d193ded8acc5ee5269c

minadbd/services.cpp

@@ -86,7 +86,7 @@ static int create_service_thread(void (*func)(int, void *), void *cookie) {
     return s[0];
 }
 
-int service_to_fd(const char* name) {
+int service_to_fd(const char* name, const atransport* transport) {
     int ret = -1;
 
     if (!strncmp(name, "sideload:", 9)) {