[LUT implementation] add Lut HAL new interface changes.

Bug: 329472856
Test: builds
Flag: EXEMPT HAL interface change
Change-Id: I724af90d585c996e09b2b1167285a854d7860999
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index 629d9f2..839fb7d 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -151,6 +151,10 @@
                 getOverlaySupport, (), (const, override));
     MOCK_METHOD(status_t, setRefreshRateChangedCallbackDebugEnabled, (PhysicalDisplayId, bool));
     MOCK_METHOD(status_t, notifyExpectedPresent, (PhysicalDisplayId, TimePoint, Fps));
+    MOCK_METHOD(status_t, getRequestedLuts,
+                (PhysicalDisplayId,
+                 std::vector<aidl::android::hardware::graphics::composer3::DisplayLuts::LayerLut>*),
+                (override));
 };
 
 } // namespace mock