Revert "Switch from version script to APEX stubs for libdexfile_external and add it to the Runtime APEX."

This reverts commit 23b2704ad1ac6cc40a31f491ea71f5d469e10a62.

Reason for revert: Breaks cf_x86_phone-userdebug: https://android-build.googleplex.com/builds/build-details/5273735/targets/cf_x86_phone-userdebug

Bug: 123700170
Bug: 113373927
Change-Id: I366212e879afea310b99562917b447c758ca8537
5 files changed