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/graphics/common/1.2/Android.bp b/graphics/common/1.2/Android.bp
new file mode 100644
index 0000000..a86f3b5
--- /dev/null
+++ b/graphics/common/1.2/Android.bp
@@ -0,0 +1,23 @@
+// This file is autogenerated by hidl-gen -Landroidbp.
+
+hidl_interface {
+    name: "android.hardware.graphics.common@1.2",
+    root: "android.hardware",
+    vndk: {
+        enabled: true,
+        support_system_process: true,
+    },
+    srcs: [
+        "types.hal",
+    ],
+    interfaces: [
+        "android.hardware.graphics.common@1.0",
+        "android.hardware.graphics.common@1.1",
+    ],
+    types: [
+        "Dataspace",
+    ],
+    gen_java: true,
+    gen_java_constants: true,
+}
+