Address additional comments: Pointer icon refactor for touch/stylus

Bug: 293587049
Test: atest inputflinger_tests
Change-Id: Ic628105276fb06770932f05907598e95fcc1cafb
diff --git a/services/inputflinger/tests/FakePointerController.h b/services/inputflinger/tests/FakePointerController.h
index c75f6ed..d7e40b3 100644
--- a/services/inputflinger/tests/FakePointerController.h
+++ b/services/inputflinger/tests/FakePointerController.h
@@ -37,6 +37,7 @@
     void setDisplayViewport(const DisplayViewport& viewport) override;
 
     void assertPosition(float x, float y);
+    void assertSpotCount(int32_t displayId, int32_t count);
     bool isPointerShown();
 
 private: