Apexd: Add initial PreInstall code

Add apexd_preinstall.h for staging a pre-install-enabled apex.
Mount the APEX, fork, activate the APEX, and run.

Bug: 119261380
Test: atest apexservice_test
Change-Id: Id148a58fbb5837685e3aa9936b5ba2e0bf1e2ead
7 files changed
tree: d7a73ba761c5c164f7b029b5ecc0909ab9cf450f
  1. apexd/
  2. apexer/
  3. tests/
  4. OWNERS
  5. PREUPLOAD.cfg