Implement polymorphic inlining.

For example, before:
HInvokeVirtual

After:
If (receiver == Foo) {
  // inlined code.
} else if (receiver == Bar) {
  // inlined code
} else {
  // HInvokeVirtual or HDeoptimize(receiver != Baz)
}

Change-Id: I5ce305aef8f39f8294bf2b2bcfe60e0dddcfdbec