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/SurfaceFlinger.cpp b/services/surfaceflinger/SurfaceFlinger.cpp
index bcc30f6..2d05d9c 100644
--- a/services/surfaceflinger/SurfaceFlinger.cpp
+++ b/services/surfaceflinger/SurfaceFlinger.cpp
@@ -385,6 +385,7 @@
 #ifdef USE_HWC2
         sp<DisplayDevice> hw(getDisplayDevice(mBuiltinDisplays[DisplayDevice::DISPLAY_PRIMARY]));
         if (hw->getWideColorSupport()) {
+            hw->setCompositionDataSpace(HAL_DATASPACE_V0_SRGB);
             setActiveColorModeInternal(hw, HAL_COLOR_MODE_SRGB);
         }
 #endif
@@ -1224,6 +1225,7 @@
                                              hasWideColorModes && hasWideColorDisplay);
     mDisplays.add(token, hw);
     setActiveColorModeInternal(hw, HAL_COLOR_MODE_NATIVE);
+    hw->setCompositionDataSpace(HAL_DATASPACE_UNKNOWN);
 }
 
 void SurfaceFlinger::onHotplugReceived(HWComposer* composer, int32_t disp, bool connected) {
@@ -1872,6 +1874,7 @@
             // To achieve this we suppress color mode changes until after the boot animation
             if (mBootFinished) {
                 setActiveColorModeInternal(displayDevice, newColorMode);
+                displayDevice->setCompositionDataSpace(newDataSpace);
             }
         }
     }