Add compat symlinks into the Runtime APEX for the ART binaries.

This is a precaution in case there are dependencies on the binaries in the
old location. b/124106384 tracks eliminating them (if any).

Test: Flash and check symlinks are there with adb shell ls -l system/bin
Test: adb shell system/bin/<binary>
Bug: 113373927
Bug: 124106384
Change-Id: Ib4102fe55117611f68184102e68a10ea47de0065