[bt][doc] Update A2DP source dependencies

Test: try new dependencies with fx set
Change-Id: I3bfe6c871b58675904633c562d5611c55ad8d48a
diff --git a/src/connectivity/bluetooth/profiles/bt-a2dp-source/README.md b/src/connectivity/bluetooth/profiles/bt-a2dp-source/README.md
index 3a45c8e..74ab5db 100644
--- a/src/connectivity/bluetooth/profiles/bt-a2dp-source/README.md
+++ b/src/connectivity/bluetooth/profiles/bt-a2dp-source/README.md
@@ -24,7 +24,7 @@
 required services so adding the following to your Fuchsia set configuration
 should build them all and make them available:
 
-`--with //src/connectivity/bluetooth/profiles/bt-a2dp-source --with //src/media/audio/bundles:audio --with //garnet/packages/prod:media_codec_sw_sbc`
+`--with //src/connectivity/bluetooth/profiles/bt-a2dp-source --with src/media/audio --with src/media/codec/codecs/sw/sbc --with src/media/codec/factory`
 
 The profile makes an effort to determine if encoding media will fail, and quits
 with a message on startup.