Use enum class for tool type

Update jni code to use enum class

Bug: 198472780
Test: compile
(cherry picked from https://googleplex-android-review.googlesource.com/q/commit:d873b263ee5937ba93a2252424148c0552312332)
Merged-In: Ia129a28593c4f7a5ae0326a1aabdd5e6d0b67b82
Change-Id: Ia129a28593c4f7a5ae0326a1aabdd5e6d0b67b82
diff --git a/native/android/input.cpp b/native/android/input.cpp
index f1c3088..432e21c 100644
--- a/native/android/input.cpp
+++ b/native/android/input.cpp
@@ -149,7 +149,8 @@
 }
 
 int32_t AMotionEvent_getToolType(const AInputEvent* motion_event, size_t pointer_index) {
-    return static_cast<const MotionEvent*>(motion_event)->getToolType(pointer_index);
+    const MotionEvent& motion = static_cast<const MotionEvent&>(*motion_event);
+    return static_cast<int32_t>(motion.getToolType(pointer_index));
 }
 
 float AMotionEvent_getRawX(const AInputEvent* motion_event, size_t pointer_index) {