Add function for getting supported audio format for LE Audio Broadcast

 * Update function getHwOffloadFormatsSupportedForBluetoothMedia(),
   when the input device is AUDIO_DEVICE_OUT_BLE_HEADSET return
   the supported audio format for LE Audio unicast device
 * Update function getHwOffloadFormatsSupportedForBluetoothMedia()
   for getting the supported format of LE Audio broadcast

Bug: 242472419
Test: atest AudioManagerTest
Merged-In: I16de155597178fc8fdcb249e8625b8f78b334286
Change-Id: I16de155597178fc8fdcb249e8625b8f78b334286