Add flag com.android.bluetooth.flags.wait_stack_role_before_starting to trunk_staging.

This change was automatically created by advancing the Gantry workflow at:
https://releasetracker.partner.android.com/changes/3heup0q000001?build_unique_id=ComAndroidBluetoothFlagsWaitStackRoleBeforeStartingLaunch-platform
Do not edit this file manually or revert this change - use the Gantry workflow to manage the state of this flag.

Bug: 408242259
Flag: com.android.bluetooth.flags.wait_stack_role_before_starting
Ignore-AOSP-First: AConfig change for future AOSP release
Change-Id: I02ae8f4643ae7f861a198322fefa785cc0597e3c
diff --git a/aconfig/trunk_staging/com.android.bluetooth.flags/wait_stack_role_before_starting_flag_values.textproto b/aconfig/trunk_staging/com.android.bluetooth.flags/wait_stack_role_before_starting_flag_values.textproto
new file mode 100644
index 0000000..b236481
--- /dev/null
+++ b/aconfig/trunk_staging/com.android.bluetooth.flags/wait_stack_role_before_starting_flag_values.textproto
@@ -0,0 +1,6 @@
+flag_value {
+  package: "com.android.bluetooth.flags"
+  name: "wait_stack_role_before_starting"
+  state: ENABLED
+  permission: READ_WRITE
+}