[llvm-symbolizer] Add compatibility aliases for --inlining={true,false}

D83530 removed --inlining={true,false} which were used by old asan_symbolize.py script.
Add compatibility aliases so that old asan_symbolize.py and sanitizer
binaries can work with new llvm-symbolizer.

Reviewed By: thakis

Differential Revision: https://reviews.llvm.org/D85228