Revert "Revert "Copy resources from classes.jar when using AAPT2""

This reverts commit a7e336d1.

Reapplies I6649f7f2fbf63ff5001f4731e22960f857726c70 with fix
for jack builds.

Bug: 64272170
Test: https://android-build.googleplex.com/builds/view-workplan?viewType=Table&workplanId=L93000000088657848&nodeType=Trybot
Change-Id: Id66aebfc2c26a4467e6cf25e4372080882f0b286
Merged-In: Id66aebfc2c26a4467e6cf25e4372080882f0b286
(cherry picked from commit 6fedebf9)