Revert "Write classes in runtime-generated app image." am: 24b3d648ff am: e1256b5060 am: d371f36964

Original change: https://android-review.googlesource.com/c/platform/art/+/2405064

Change-Id: I193daf202bb328dd39a5a928d4ed95cd3725dcd3
Signed-off-by: Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com>