Fix installation on some JB

DexPathList had a few changes accross Jelly Bean versions:

- dexElements was renamed pathElements and then renamed back to dexElements.
- Element constructor was changed twice.

Test: MultiDex tests several differents 4.x Android emulators and
devices.
Bug: 71989458

Change-Id: I242937a9f444d53cf6dd5b15d7933d0a9b51e162