Align AIDL effect proxy behavior with HIDL

Return the sw effect descriptor with impl UUID replaced by proxy UUID
Update lvm visualizer insert position preference from LAST to FIRST
Remove the proxy effect handle list from EffectsFactoryHalAidl

Bug: 333737331
Test: atest CtsMediaAudioTestCases
Test: atest VisualizerTest with ag/26896279 reverted
Change-Id: I3174c96d8f166dc29d370bf5c1c7c02098e59d80