input accumulators: pass RawEvent references instead of pointers

Change-Id: I7f538b3e08704df7c99e13e59302832dfe517a1d
Test: atest inputflinger_test
Test: manually test a multi-touch screen, touchpad, mouse, and drawing
      tablet works
Bug: 245989146
Flag: EXEMPT refactor
diff --git a/services/inputflinger/reader/mapper/CapturedTouchpadEventConverter.cpp b/services/inputflinger/reader/mapper/CapturedTouchpadEventConverter.cpp
index 09a5f08..90685de 100644
--- a/services/inputflinger/reader/mapper/CapturedTouchpadEventConverter.cpp
+++ b/services/inputflinger/reader/mapper/CapturedTouchpadEventConverter.cpp
@@ -155,8 +155,8 @@
         mMotionAccumulator.finishSync();
     }
 
-    mCursorButtonAccumulator.process(&rawEvent);
-    mMotionAccumulator.process(&rawEvent);
+    mCursorButtonAccumulator.process(rawEvent);
+    mMotionAccumulator.process(rawEvent);
     return out;
 }