[Inliner][NPM] Fix various tests under NPM

alloca-dbgdeclare-merge.ll:
alloca-merge-align.ll:
array_merge.ll:
 NPM inliner does not merge allocas

delete-call.ll:
 NPM inliner does not delete readonly calls

externally_available.ll:
 NPM inliner does not delete available_externally functions

inline-cold-callee.ll:
inline-hot-callee.ll:
 inline-hot-callee.ll has a comment saying it only applies to legacy PM,
 I assume same for inline-cold-callee.ll

devirtualize-2.ll:
inline-hot-callsite:
monster_scc.ll:
pr22285.ll:
 already has legacy and new PM RUN lines

inline-cold.ll:
 profile-summary required to see callee as cold

prof-update-sample.ll:
 profile-summary required to update branch_weights

Reviewed By: davidxl

Differential Revision: https://reviews.llvm.org/D89093