minadbd: track signature change of service_to_fd.

Bug: http://b/37066218
Bug: http://b/71898863
Test: treehugger
Change-Id: I5f2b14c65cff8d41dd3230d78b87e3e27e489bf6
(cherry picked from commit 570b08b790)

minadbd/minadbd_services.cpp

@@ -58,7 +58,7 @@ static int create_service_thread(void (*func)(int, const std::string&), const st
     return s[0];
 }
 
-int service_to_fd(const char* name, const atransport* /* transport */) {
+int service_to_fd(const char* name, atransport* /* transport */) {
   int ret = -1;
 
   if (!strncmp(name, "sideload:", 9)) {