Revert^2 "libandroidfw hardening for IncFs" am: 80094e39f9

Original change: https://android-review.googlesource.com/c/platform/frameworks/base/+/1519909

MUST ONLY BE SUBMITTED BY AUTOMERGER

Change-Id: I9a570e6b8ef32bebe5477b1d784b07857c165e06