Merge RP1A.200423.002

Change-Id: I5cb847853876d4afde3a7b6bb260fd56a80b8d4c
tree: b457f2f7a2f422a0dc91bcedc9ae6799862d319e
  1. disaster_recovery/
  2. libflags/
  3. .clang-format
  4. Android.bp
  5. OWNERS
  6. PREUPLOAD.cfg