LeAudio: Fix passing invalid ccid list

Ccid was used in place of the metadata context type.

Bug: 246247154
Tag: #feature
Test: atest --host bluetooth_le_audio_test bluetooth_le_audio_client_test --no-bazel-mode
Change-Id: Ibce660fa25a4e4ee2a61eacc078d3db4106085ae
Merged-In: Ibce660fa25a4e4ee2a61eacc078d3db4106085ae
(cherry picked from commit 1fe404b8)