Add flag com.android.graphics.surfaceflinger.flags.hdcp_negotiation to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/7hf1cna000001?build_unique_id=ComAndroidGraphicsSurfaceflingerFlagsHdcpNegotiationLaunch-platform
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 375340594
Flag: com.android.graphics.surfaceflinger.flags.hdcp_negotiation
Ignore-AOSP-First: AConfig change for future AOSP release
Change-Id: I038155021e888eb7c54d1516d0bfbdfedd163dde
diff --git a/aconfig/trunk_staging/com.android.graphics.surfaceflinger.flags/hdcp_negotiation_flag_values.textproto b/aconfig/trunk_staging/com.android.graphics.surfaceflinger.flags/hdcp_negotiation_flag_values.textproto
new file mode 100644
index 0000000..e8a51fb
--- /dev/null
+++ b/aconfig/trunk_staging/com.android.graphics.surfaceflinger.flags/hdcp_negotiation_flag_values.textproto
@@ -0,0 +1,6 @@
+flag_value {
+  package: "com.android.graphics.surfaceflinger.flags"
+  name: "hdcp_negotiation"
+  state: ENABLED
+  permission: READ_WRITE
+}