Request Document: go/android3p
For CL Reviewers: go/android3p#reviewing-a-cl
For Build Team: go/ab-third-party-imports
Bug: http://b/337064740
Original import of the code can be found at: https://googleplex-android.googlesource.com/platform/external/liboqs/+/refs/heads/third-party-review.
Security Questionnaire: http://b/337064740#comment1

Test: None
Change-Id: I7912abe50ca73d050d544f06970761a7818aeb85