Fixing Unsafe.getObjectAcquire code generation

This fixes the intrinsic code generation for
Unsafe.getObjectAcquire which was introduced in
Iacd39ea1750c92a828d99241bff6b609acadb025

Test: art/test/testrunner/testrunner.py -t 2235-JdkUnsafeTest
Bug: 188889082
Bug: 190791083
Change-Id: I456126ce5f8355aa944b7ba6e3be9405531d3778
4 files changed