Add APEX data to checkvintf for compatibility check.

As part of extending libvintf to support VINTF data inside of APEXes:
  Create apex-info-list.xml as part of build to pass into checkvintf.
  Include the /apex data to dirmap

  Extend check_target_files_vintf.py to include APEX data:
    Unzip APEX from partions
    Extract APEX data
    Create apex-info-list.xml

Bug: 239055387
Bug: 242314000
Test: m
Test: m dist
Change-Id: I4b4e159051bacb46dc43b83e006ca0f0eb58d772