Add library to use OverlayFS to make read-only partitions writable.

Using OverlayFsUtils class will allow writing to read-only partitions
without having to disable verity and without having to reboot.

Note that all modifications will be deleted upon reboot.

Bug: 216394844
Test: build sts; run sts with a manually crafted test testcase.
Change-Id: Ia176be66e2f45cad053e7e84e20682106f6ea95c
Merged-In: Ia176be66e2f45cad053e7e84e20682106f6ea95c
(cherry picked from commit e17890701925962292d9ac0f02243fc8d0b88ee2)
1 file changed
tree: e37b2758352c6fbe1ad919794ae676ed90fffc81
  1. build/
  2. docs/
  3. emu_test/
  4. libraries/
  5. scripts/
  6. tests/
  7. utils/
  8. PREUPLOAD.cfg