Accept EX_UNSUPPORTED_OPERATION for backwards compatibility

Future implementations of Memtrack HAL should return EX_ILLEGAL_ARGUMENT
when handling invalid types, but for backwards compatibility we will
still accept EX_UNSUPPORTED_OPERATION.

Test: atest VtsHalMemtrackTargetTest
Flag: EXEMPT bugfix
Bug: 414298276
Change-Id: I748420e33f36e5b68eaf5606f556adbc17a9a892
1 file changed