Import leaf dependencies for mls-rs to AOSP

These are the leaf dependencies which have gone through 3p review so
far. See http://b/328056482 for the full tree of crates to import.

Bug: 328410074
Bug: 328419425
Bug: 328419565
Bug: 328419676
Bug: 328420133
Bug: 328420253
Bug: 330678664
Test: Presubmit
Change-Id: Id99dbc0e42c4fcce17a58f973799593ba3cf970f
1 file changed
tree: ea7fa6b302a13c389ff68a739141aa86bcdf201b
  1. default.xml
  2. GLOBAL-PREUPLOAD.cfg
  3. OWNERS