Clean up ID3 unit test

correc a expected/received confusion
use defined constants such as ID3::ID3_v2_3

Bug: 144753028
Bug: 154355802
Bug: 148050695
Test: atest ID3Test -- --enable-module-dynamic-download=true
Change-Id: I451eea60cd6114ced9a5d4cb67e0cfcaff546f33