Backed out changeset 4c2bc5ae8f95 (bug 945562) for device image bustage.

ipc/chromium/src/base/process_util_linux.cc

@@ -303,7 +303,7 @@ void SetCurrentProcessPrivileges(ChildPrivileges privs) {
     uid += getpid();
   }
   if (privs == PRIVILEGES_CAMERA) {
-    gid_t groups[] = { AID_SDCARD_R, AID_SDCARD_RW, AID_MEDIA_RW };
+    gid_t groups[] = { AID_SDCARD_RW };
     if (setgroups(sizeof(groups) / sizeof(groups[0]), groups) != 0) {
       DLOG(ERROR) << "FAILED TO setgroups() CHILD PROCESS";
       _exit(127);