pa: interfaces: Fix event node based DT2W screen off gesture

* Write the complete input_event to the event node.

Signed-off-by: Rituj Beniwal <ritujbeniwal@gmail.com>
Change-Id: I19f31cff8301c792c135fd0e603ce3c019f6c20c

interfaces/power/default/PowerFeature.cpp

@@ -152,7 +152,7 @@ void PowerFeature::sysFsWrite(const char *file_node, const input_event *ev) {
         return;
     }
 
-    rc = write(fd, ev, 1);
+    rc = write(fd, ev, sizeof(*ev));
     if (rc < 0) {
         ALOGE("Failed to write \"%d\" to %s", ev->value, file_node);
     }