Remove InputDeviceContext::getConfiguration(properties)

This API is no longer needed.

Bug: 271251605
Test: atest inputflinger_tests

Change-Id: Ice59fc69c38c27293f085e4a3cd79936f2f3c050
diff --git a/services/inputflinger/tests/FakeEventHub.h b/services/inputflinger/tests/FakeEventHub.h
index 72f8ac0..e0a3f9e 100644
--- a/services/inputflinger/tests/FakeEventHub.h
+++ b/services/inputflinger/tests/FakeEventHub.h
@@ -159,7 +159,7 @@
     ftl::Flags<InputDeviceClass> getDeviceClasses(int32_t deviceId) const override;
     InputDeviceIdentifier getDeviceIdentifier(int32_t deviceId) const override;
     int32_t getDeviceControllerNumber(int32_t) const override;
-    void getConfiguration(int32_t deviceId, PropertyMap* outConfiguration) const override;
+    std::optional<PropertyMap> getConfiguration(int32_t deviceId) const override;
     status_t getAbsoluteAxisInfo(int32_t deviceId, int axis,
                                  RawAbsoluteAxisInfo* outAxisInfo) const override;
     bool hasRelativeAxis(int32_t deviceId, int axis) const override;