dumpstate: increase poll timeout waiting for SIGQUIT logging

Increased the maximum time dumpstate will wait for SIGQUIT process
to finish dumping its thread stacks to the logfile to 5 seconds.

Bug: 14057177
Change-Id: I0b43004512855d202f2fe0ea7b0e934e77a3a070
diff --git a/cmds/dumpstate/utils.c b/cmds/dumpstate/utils.c
index fe716ac..dbf0877 100644
--- a/cmds/dumpstate/utils.c
+++ b/cmds/dumpstate/utils.c
@@ -548,7 +548,7 @@
 
             /* wait for the writable-close notification from inotify */
             struct pollfd pfd = { ifd, POLLIN, 0 };
-            int ret = poll(&pfd, 1, 200);  /* 200 msec timeout */
+            int ret = poll(&pfd, 1, 5000);  /* 5 sec timeout */
             if (ret < 0) {
                 fprintf(stderr, "poll: %s\n", strerror(errno));
             } else if (ret == 0) {