BluetoothLeBroadcastMetadata: log updates

Everywhere BluetoothLeBroadcastMetadata is printed it will be changed from:
android.bluetooth.BluetoothLeBroadcastMetadata@597b0b92
to:
BluetoothLeBroadcastMetadata{sourceAddressType=1, sourceDevice=XX:XX:XX:XX:BE:03, sourceAdvertisingSid=1, broadcastId=10572183, paSyncInterval=65535, isEncrypted=true, isPublicBroadcast=true, broadcastName=Pixel 7a_8499, broadcastCode=[50, 97, 98, 57, 50, 51, 97, 48, 55, 100, 98, 52], presentationDelayMicros=40000, audioConfigQuality=1, rssi=-43, publicBroadcastMetadata=BluetoothLeAudioContentMetadata{programInfo=null, language=null, rawMetadata=[]}, subgroups=[BluetoothLeBroadcastSubgroup{codecId=6, codecSpecificConfig=BluetoothLeAudioCodecConfigMetadata{audioLocation=0, sampleRate=16, frameDuration=2, octetsPerFrame=60, rawMetadata=[2, 1, 5, 2, 2, 1, 3, 4, 60, 0]}, contentMetadata=BluetoothLeAudioContentMetadata{programInfo=Pixel 7a_8499, language=null, rawMetadata=[14, 3, 80, 105, 120, 101, 108, 32, 55, 97, 95, 56, 52, 57, 57, 2, 5, 2]}, channels=[BluetoothLeBroadcastChannel{isSelected=false, channelIndex=1, codecMetadata=BluetoothLeAudioCodecConfigMetadata{audioLocation=1, sampleRate=0, frameDuration=0, octetsPerFrame=0, rawMetadata=[5, 3, 1, 0, 0, 0]}}, BluetoothLeBroadcastChannel{isSelected=false, channelIndex=2, codecMetadata=BluetoothLeAudioCodecConfigMetadata{audioLocation=2, sampleRate=0, frameDuration=0, octetsPerFrame=0, rawMetadata=[5, 3, 2, 0, 0, 0]}}]}]}

Bug: 335795482
Test: mmm packages/modules/Bluetooth
Flag: Exempt, log updates only
Change-Id: If02560ab2e40dca1fb1f85d6ff63d1af29e0baa2