Update current.txt for Broadcast feature supported API

Expose isLeAudioBroadcastSourceSupported and isLeAudioBroadcastAssistantSupported

Bug: 150670922
Bug: 208368819
Test: make build
Change-Id: Id9bf7731f61b38da878b1cc0fe117d80044a82d9
Merged-In: Id9bf7731f61b38da878b1cc0fe117d80044a82d9
1 file changed