SnoopLogger: Debug enhancements

Snapshot as of:
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 - added snoop logging modes: full, filtered and disabled
 - rfcommchannelsfiltered option allows to filter out not-acceptlisted
   RFCOMM and L2CAP channels
 - removed is_enabled and is_filtered flags, the snoop mode information
   is now present in btsnoop_mode_ variable
 - added option to filter out media packets
 - cache media channel info in snoop logger
 - added option to filter pbap, map and hfp profiles
 - added option to filter acl packets leaving only headers

Sponsor: rotkiewicz@
Bug: 247859568
Tag: #feature
Test: atest BluetoothInstrumentationTests
Test: atest bluetooth_test_gd_unit
BYPASS_LONG_LINES_REASON: Bluetooth likes 120 lines

Change-Id: I4b7bb84ec2f14aff60388b10eae24d8896f61f5b