SF,HDR: Add readonly flag for connected display HDR feature

Bug: 374182788
Bug: 374187407
Test: adb shell dumpsys SurfaceFlinger | grep connected_display_hdr
Flag: com.android.graphics.surfaceflinger.flags.connected_display_hdr
Change-Id: I29ba7ecb289f55e6d2be2b74f82bf012d3530ec5
Signed-off-by: Sasha McIntosh <sashamcintosh@google.com>
diff --git a/services/surfaceflinger/surfaceflinger_flags_new.aconfig b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
index f758879..cfeaa7d 100644
--- a/services/surfaceflinger/surfaceflinger_flags_new.aconfig
+++ b/services/surfaceflinger/surfaceflinger_flags_new.aconfig
@@ -49,6 +49,14 @@
 } # commit_not_composited
 
 flag {
+  name: "connected_display_hdr"
+  namespace: "core_graphics"
+  description: "enable connected display hdr capability"
+  bug: "374182788"
+  is_fixed_read_only: true
+} # connected_display_hdr
+
+flag {
   name: "correct_dpi_with_display_size"
   namespace: "core_graphics"
   description: "indicate whether missing or likely incorrect dpi should be corrected using the display size."