Make checker-intrinsic-op less Dexer-sensitive.

Rewrite Dexer-sensitive tests from 536-checker-intrinsic-optimization using Smali

This is similar to previous changes where D8 split the return block rather
than joining them so no Phi was needed.

Bug: 65168732
Test: art/test/run-test ... 536-checker-intrinsic-optimization
Change-Id: I712fb3f09aebeeb88d7cd5b2927f32235da255b2