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/reader/mapper/RotaryEncoderInputMapper.cpp b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
index ed93f14..9885889 100644
--- a/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
+++ b/services/inputflinger/reader/mapper/RotaryEncoderInputMapper.cpp
@@ -119,9 +119,9 @@
         int32_t metaState = getContext()->getGlobalMetaState();
         pointerCoords.setAxisValue(AMOTION_EVENT_AXIS_SCROLL, scroll * mScalingFactor);
 
-        NotifyMotionArgs scrollArgs(getContext()->getNextSequenceNum(), when, getDeviceId(),
-                                    mSource, displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0,
-                                    0, metaState, /* buttonState */ 0, MotionClassification::NONE,
+        NotifyMotionArgs scrollArgs(getContext()->getNextId(), when, getDeviceId(), mSource,
+                                    displayId, policyFlags, AMOTION_EVENT_ACTION_SCROLL, 0, 0,
+                                    metaState, /* buttonState */ 0, MotionClassification::NONE,
                                     AMOTION_EVENT_EDGE_FLAG_NONE, 1, &pointerProperties,
                                     &pointerCoords, 0, 0, AMOTION_EVENT_INVALID_CURSOR_POSITION,
                                     AMOTION_EVENT_INVALID_CURSOR_POSITION, 0, /* videoFrames */ {});