Add tests for accessing referrer's class.

Prepare for improving codegen for accessing referrer's class
from unresolved compiling class by improving test coverage.
The disabled CHECK statements show the intended results.

Test: Additional tests in 727-checker-unresolved-class.
Test: m test-art-host-gtest
Test: testrunner.py --host --optimizing
Bug: 161898207
Change-Id: I7473d2693060b843670ea81f5f0e7bbb3c2d9031
27 files changed