Revert^2 "Switch to LLVM prebuilt tools for ART gtests"

It is also necessary to adjust the expected output of some tests.

This reverts commit ea54b823a3a02f65c865e11bbbccb327a273c039.

Bug: 147817558
Test: m test-art-host-gtest
Change-Id: Ib244e8b7d43d575299654397a47056f295ab4589
9 files changed