Delete everything except what androidx-main needs for nsjail.

And add saff, fsladkey, aurimas as owners for this androidx-specific branch.

Bug: 200310433
Test: Manual (can't test until this is in manifest)
Change-Id: I9d11b5167d237f1f06ec4f43d149a10c24c8163e
4101 files changed
tree: a0008e3236dc40f555079e95c1fa720059d2e692
  1. linux-x86/
  2. manifest.xml
  3. METADATA
  4. OWNERS