Move seq to header

All InputMessage objects must contain 'seq' in order to identify
themselves. Therefore, move this field to header. This also makes
printing simpler.

Bug: 159239700
Test: adb shell monkey --throttle 40 50000
Change-Id: I99cb634bf428acd6a29a3b7aa976b28cffc9fe3e
diff --git a/services/inputflinger/dispatcher/InputDispatcher.cpp b/services/inputflinger/dispatcher/InputDispatcher.cpp
index 9deea63..5df4aec 100644
--- a/services/inputflinger/dispatcher/InputDispatcher.cpp
+++ b/services/inputflinger/dispatcher/InputDispatcher.cpp
@@ -4269,10 +4269,10 @@
                     dump += INDENT4;
                     entry->eventEntry->appendDescription(dump);
                     dump += StringPrintf(", targetFlags=0x%08x, resolvedAction=%d, "
-                                         "age=%" PRId64 "ms, wait=%" PRId64 "ms\n",
+                                         "age=%" PRId64 "ms, wait=%" PRId64 "ms seq=%" PRIu32 "\n",
                                          entry->targetFlags, entry->resolvedAction,
                                          ns2ms(currentTime - entry->eventEntry->eventTime),
-                                         ns2ms(currentTime - entry->deliveryTime));
+                                         ns2ms(currentTime - entry->deliveryTime), entry->seq);
                 }
             } else {
                 dump += INDENT3 "WaitQueue: <empty>\n";