[LoopVersioning,LLE] Clear LoopAccessInfoManager after making changes.

Loop versioning changes the control-flow, which may impact SCEVs cached
by for other loops in LoopAccessInfoManager. Clear the manager after
making changes.

Fixes #57825.

Depends on D134609.

Reviewed By: aeubanks

Differential Revision: https://reviews.llvm.org/D134611