LeAudio: Decouple BAP logic from Audio HAL client type

Currently, instead of comparing audio set configurations directly, we
compare the audio HAL client configurations derived from the currently
supported remote device configurations. For the audio HAL client it is
mandatory to have the certain paramters which are not necessarily mandatory
for the hardware offloader case or for the vendor codecs or those received
over the config provider AIDL interface.

Currently, configurations without these parameters will not be considered
valid remote device configurations, even though some of these missing parameters
(like bits per sample) are irrelevant to the remote device configuration and are
only local audio HAL client specific.

This patch uses the remote device configuration data type comparison directly to
verify the remote device configurations, and improves naming to functions and
variables used by this logic to avoid similar unintended abuse in future.

Bug: 308428860
Test: atest bluetooth_le_audio_test bluetooth_le_audio_client_test  bluetooth_test_broadcaster bluetooth_test_broadcaster_state_machine bluetooth_le_audio_codec_manager_test
Flag: EXEMPT; Non-flaggable simplifying refactor - confirmed with unit tests
Change-Id: I2f9ec46e2b5761ede77774a4eb258606c6c277cf