Audio AIDL : Add pre-processing aidl implementation usage

Also, remove the unused params of AGC aidl.

Bug: 258124419
Test: atest VtsHalAECTargetTest
Test: atest VtsHalAGC1TargetTest
Test: atest VtsHalAGC2TargetTest
Test: atest VtsHalNSTargetTest
Change-Id: Ia73f7a489ec31c3949415b64eb65c3db8d68a1eb
1 file changed