SF: Fix color transform for composited virtual displays

ag/6455586 inadvertently changed the condition to never skip it.

Bug: 149968803
Test: Overlay display is not doubly sepia when Night Light is on.
Test: libcompositionengine_test
Change-Id: Ic33ba3069be8544ada1304461ab881b39b9fd1f9
diff --git a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
index 02226ab..99d6cc0 100644
--- a/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
+++ b/services/surfaceflinger/CompositionEngine/tests/MockHWComposer.h
@@ -40,8 +40,7 @@
     MOCK_CONST_METHOD3(getDisplayIdentificationData,
                        bool(hwc2_display_t, uint8_t*, DisplayIdentificationData*));
     MOCK_CONST_METHOD1(hasCapability, bool(HWC2::Capability));
-    MOCK_CONST_METHOD2(hasDisplayCapability,
-                       bool(const std::optional<DisplayId>&, HWC2::DisplayCapability));
+    MOCK_CONST_METHOD2(hasDisplayCapability, bool(DisplayId, HWC2::DisplayCapability));
 
     MOCK_METHOD3(allocateVirtualDisplay,
                  std::optional<DisplayId>(uint32_t, uint32_t, ui::PixelFormat*));