adbd_auth: return auth id when requesting a prompt.

When multiple auth requests come in (e.g. if someone connects over TCP
and USB, or if we send a USB request, and then kill adb and try again),
we need to know the ID assigned to the request to disambiguate.

Bug: http://b/159061108
Test: manual
Change-Id: I68cf2335c5958decf29e58ed9132735577a7e074
diff --git a/libs/adbd_auth/libadbd_auth.map.txt b/libs/adbd_auth/libadbd_auth.map.txt
index 5857ecb..7584ca3 100644
--- a/libs/adbd_auth/libadbd_auth.map.txt
+++ b/libs/adbd_auth/libadbd_auth.map.txt
@@ -7,6 +7,7 @@
     adbd_auth_notify_auth; # apex introduced=30
     adbd_auth_notify_disconnect; # apex introduced=30
     adbd_auth_prompt_user; # apex introduced=30
+    adbd_auth_prompt_user_with_id; # apex introduced=30
     adbd_auth_tls_device_connected; # apex introduced=30
     adbd_auth_tls_device_disconnected; # apex introduced=30
     adbd_auth_get_max_version; # apex introduced=30