Rename sequenceNum to ID.

This is for consistency with ID in other places. Change it to signed
type to match Java int type.

Bug: 144889238
Test: atest inputflinger_tests
Change-Id: I8b6782a67f28aa13f7feaed2c97b8e87105019db
Merged-In: I8b6782a67f28aa13f7feaed2c97b8e87105019db
(cherry picked from commit 6a5a14e75b1a0fb377c670cb9a1e9ace60c5da74)
diff --git a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
index 238cc39..3b18813 100644
--- a/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
+++ b/services/inputflinger/benchmarks/InputDispatcher_benchmarks.cpp
@@ -229,7 +229,7 @@
 
     const nsecs_t currentTime = now();
     // Define a valid motion event.
-    NotifyMotionArgs args(/* sequenceNum */ 0, currentTime, DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
+    NotifyMotionArgs args(/* id */ 0, currentTime, DEVICE_ID, AINPUT_SOURCE_TOUCHSCREEN,
                           ADISPLAY_ID_DEFAULT, POLICY_FLAG_PASS_TO_USER, AMOTION_EVENT_ACTION_DOWN,
                           /* actionButton */ 0, /* flags */ 0, AMETA_NONE, /* buttonState */ 0,
                           MotionClassification::NONE, AMOTION_EVENT_EDGE_FLAG_NONE, 1,
@@ -259,14 +259,14 @@
     for (auto _ : state) {
         // Send ACTION_DOWN
         motionArgs.action = AMOTION_EVENT_ACTION_DOWN;
-        motionArgs.sequenceNum = 0;
+        motionArgs.id = 0;
         motionArgs.downTime = now();
         motionArgs.eventTime = motionArgs.downTime;
         dispatcher->notifyMotion(&motionArgs);
 
         // Send ACTION_UP
         motionArgs.action = AMOTION_EVENT_ACTION_UP;
-        motionArgs.sequenceNum = 1;
+        motionArgs.id = 1;
         motionArgs.eventTime = now();
         dispatcher->notifyMotion(&motionArgs);