[Clang] Disable new PM for tests that use optimization level -O1, -O2 and -O3

Tests that use -O1, -O2 and -O3 would often produce different results
with the new pass manager which makes these tests fail. Disable new PM
explicitly for these tests.

Differential Revision: https://reviews.llvm.org/D58375

llvm-svn: 362580