Adding Dataspace BT2020_SRGB and ColorMode BT2020_SRGB

BT2020_SRGB is BT2020 with SRGB transfer function.  Adding to types V1.2
and upgrading methods that utilize Dataspace and ColorMode

Bug: 115335239
Test: ./libsurfaceflinger_unittest --gtest_filter=GetBestColorMode.*
Change-Id: Ic807183ae2bd0212cd8c5d7a24c93db0a1bc28fb
diff --git a/update-base-files.sh b/update-base-files.sh
index 75d2be5..daaa530 100755
--- a/update-base-files.sh
+++ b/update-base-files.sh
@@ -36,6 +36,9 @@
 hidl-gen $options \
          -o $ANDROID_BUILD_TOP/system/core/include/system/graphics-base-v1.1.h \
          android.hardware.graphics.common@1.1
+hidl-gen $options \
+         -o $ANDROID_BUILD_TOP/system/core/include/system/graphics-base-v1.2.h \
+         android.hardware.graphics.common@1.2
 
 # system/media
 hidl-gen $options \