dumpstate: increase logcat timeout to 40 seconds (DO NOT MERGE)

- temporary measure until root issues can be resolved.

Bug: 23685592
Change-Id: Ia33f4e3928a457c3dcd730ad2c2c57d13fbf133d
diff --git a/cmds/dumpstate/dumpstate.c b/cmds/dumpstate/dumpstate.c
index b88b605..a2e4f4b 100644
--- a/cmds/dumpstate/dumpstate.c
+++ b/cmds/dumpstate/dumpstate.c
@@ -262,6 +262,8 @@
 
 /* End copy from system/core/logd/LogBuffer.cpp */
 
+static const unsigned long logcat_min_timeout = 40000; /* ms */
+
 /* dumps the current system state to stdout */
 static void dumpstate() {
     unsigned long timeout;
@@ -334,18 +336,18 @@
     // dump_file("EVENT LOG TAGS", "/etc/event-log-tags");
     // calculate timeout
     timeout = logcat_timeout("main") + logcat_timeout("system") + logcat_timeout("crash");
-    if (timeout < 20000) {
-        timeout = 20000;
+    if (timeout < logcat_min_timeout) {
+        timeout = logcat_min_timeout;
     }
     run_command("SYSTEM LOG", timeout / 1000, "logcat", "-v", "threadtime", "-d", "*:v", NULL);
     timeout = logcat_timeout("events");
-    if (timeout < 20000) {
-        timeout = 20000;
+    if (timeout < logcat_min_timeout) {
+        timeout = logcat_min_timeout;
     }
     run_command("EVENT LOG", timeout / 1000, "logcat", "-b", "events", "-v", "threadtime", "-d", "*:v", NULL);
     timeout = logcat_timeout("radio");
-    if (timeout < 20000) {
-        timeout = 20000;
+    if (timeout < logcat_min_timeout) {
+        timeout = logcat_min_timeout;
     }
     run_command("RADIO LOG", timeout / 1000, "logcat", "-b", "radio", "-v", "threadtime", "-d", "*:v", NULL);