Revert "Revert "Add new MotionEvent actions for button press and release.""

This reverts commit 70b41ef580644fd0fe6fa9b8ac7e4a745cfb6db3.
diff --git a/include/input/InputTransport.h b/include/input/InputTransport.h
index e7e383b..6dc77b7 100644
--- a/include/input/InputTransport.h
+++ b/include/input/InputTransport.h
@@ -84,6 +84,7 @@
             int32_t deviceId;
             int32_t source;
             int32_t action;
+            int32_t actionButton;
             int32_t flags;
             int32_t metaState;
             int32_t buttonState;
@@ -232,6 +233,7 @@
             int32_t deviceId,
             int32_t source,
             int32_t action,
+            int32_t actionButton,
             int32_t flags,
             int32_t edgeFlags,
             int32_t metaState,