Add microdroid_file_contexts to build image

This file is a simple copy of system/sepolicy/private/file_contexts to
support contexts for microdroid.img. It contains unnecessary entries,
but we'll leave it for now and clean up after enough experiment.

Bug: 178993690
Test: boot and see selinux denials are gone
Change-Id: I43782937a282b752091640b249288415137db6b6
2 files changed
tree: 1badac782c61c638515d06a05cf78558e580a5dd
  1. apex/
  2. authfs/
  3. docs/
  4. microdroid/
  5. tests/
  6. .clang-format
  7. PREUPLOAD.cfg