Add flag for moving start/stopClient to command thread.

Bug: 341627085
Test: make
Change-Id: I9183b270e01a90ff59efb6d8ca6535ebea34c1f4
diff --git a/media/audio/aconfig/aaudio.aconfig b/media/audio/aconfig/aaudio.aconfig
index c160109..f9fb4c7 100644
--- a/media/audio/aconfig/aaudio.aconfig
+++ b/media/audio/aconfig/aaudio.aconfig
@@ -11,3 +11,10 @@
     description: "Enable the AAudio sample rate converter."
     bug: "219533889"
 }
+
+flag {
+    name: "start_stop_client_from_command_thread"
+    namespace: "media_audio"
+    description: "Start or stop client from command thread."
+    bug: "341627085"
+}