Address internal comments: Pointer icon refactor for mouse

Bug: 293587049
Test: atest inputflinger_tests
Change-Id: I9609e186ec92f283c25d2c9734ea2c3465445d5c
diff --git a/services/inputflinger/include/PointerChoreographerPolicyInterface.h b/services/inputflinger/include/PointerChoreographerPolicyInterface.h
index 93c0bdf..8b47b55 100644
--- a/services/inputflinger/include/PointerChoreographerPolicyInterface.h
+++ b/services/inputflinger/include/PointerChoreographerPolicyInterface.h
@@ -41,6 +41,12 @@
     virtual std::shared_ptr<PointerControllerInterface> createPointerController(
             PointerControllerInterface::ControllerType type) = 0;
 
+    /**
+     * Notifies the policy that the default pointer displayId has changed. PointerChoreographer is
+     * the single source of truth for all pointers on screen.
+     * @param displayId The updated display on which the mouse cursor is shown
+     * @param position The new position of the mouse cursor on the logical display
+     */
     virtual void notifyPointerDisplayIdChanged(int32_t displayId, const FloatPoint& position) = 0;
 };