Communicate composition buffer dataspace to HWC

Test: adb shell dumpsys SurfaceFlinger
      look for dataspace info in DisplayDevice section
Bug: 63146977
Change-Id: If427171994fbc91faacf5bad9cc736ddfbd35ec3
diff --git a/services/surfaceflinger/DisplayDevice.cpp b/services/surfaceflinger/DisplayDevice.cpp
index a0abf12..fc60002 100644
--- a/services/surfaceflinger/DisplayDevice.cpp
+++ b/services/surfaceflinger/DisplayDevice.cpp
@@ -442,6 +442,11 @@
 android_color_mode_t DisplayDevice::getActiveColorMode() const {
     return mActiveColorMode;
 }
+
+void DisplayDevice::setCompositionDataSpace(android_dataspace dataspace) {
+    ANativeWindow* const window = mNativeWindow.get();
+    native_window_set_buffers_data_space(window, dataspace);
+}
 #endif
 
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