ISurfaceComposer: rename isColorManagementUsed()

Rename isColorManagementUsed() to getColorManagement()
to follow the convention in ISurfaceComposer.

Test: adb shell /data/nativetest64/SurfaceFlinger_test/SurfaceFlinger_test --gtest_filter=LayerTransactionTest.SetColorTransformBasic
Change-Id: I63f75a98dbd230375f215a109a725672353eceef
diff --git a/services/surfaceflinger/SurfaceFlinger.h b/services/surfaceflinger/SurfaceFlinger.h
index d60765c..f670f0b 100644
--- a/services/surfaceflinger/SurfaceFlinger.h
+++ b/services/surfaceflinger/SurfaceFlinger.h
@@ -466,7 +466,7 @@
     virtual status_t enableVSyncInjections(bool enable);
     virtual status_t injectVSync(nsecs_t when);
     virtual status_t getLayerDebugInfo(std::vector<LayerDebugInfo>* outLayers) const;
-    virtual bool isColorManagementUsed() const;
+    virtual status_t getColorManagement(bool* outGetColorManagement) const;
     status_t getCompositionPreference(ui::Dataspace* outDataspace, ui::PixelFormat* outPixelFormat,
                                       ui::Dataspace* outWideColorGamutDataspace,
                                       ui::PixelFormat* outWideColorGamutPixelFormat) const override;