Revert "Use different operations to load string before loops in LICM test."

This reverts commit 67e4f8faa93a5ef8ed3ed84708c8655182409b76.

Reason for revert: This is an invalid optimization on D8's part and should not need ART test updates.

Change-Id: I948ad1c5d720e7236205ed1e728dbb5fbc378974
1 file changed