Flag to fix threading issue in BLE audio_ticks

Bug: 325984257
Bug: 315241296
Test: m com.android.btservices
Change-Id: Id6efa637a26f4e0859ff4ba97c38d704987a5319

flags/leaudio.aconfig

@@ -169,3 +169,13 @@ flag {
         purpose: PURPOSE_BUGFIX
     }
 }
+
+flag {
+    name: "run_ble_audio_ticks_in_worker_thread"
+    namespace: "bluetooth"
+    description: "Fix thread ownership issue in ble_audio_ticks"
+    bug: "325984257"
+    metadata {
+        purpose: PURPOSE_BUGFIX
+    }
+}