TouchpadInputMapper: test createHardwareProperties

Bug: 245989146
Test: atest inputflinger_tests:HardwarePropertiesTest
Change-Id: I9810cec1c458725c4513bc6d8f110a09090b0528
diff --git a/services/inputflinger/tests/Android.bp b/services/inputflinger/tests/Android.bp
index 3d6df30..f2e8885 100644
--- a/services/inputflinger/tests/Android.bp
+++ b/services/inputflinger/tests/Android.bp
@@ -47,6 +47,7 @@
         "FakePointerController.cpp",
         "FocusResolver_test.cpp",
         "GestureConverter_test.cpp",
+        "HardwareProperties_test.cpp",
         "HardwareStateConverter_test.cpp",
         "InputDeviceMetricsCollector_test.cpp",
         "InputMapperTest.cpp",