[QNS] Add README.md files

Add README.md files

Bug: 269549432
Test: build
Change-Id: I8d57ccf37bcfc4225445aaec9adcca4ea837218b
2 files changed
tree: 2392ac52a2c0d4a3ada9b7dd81fca0334262c364
  1. apex/
  2. libs/
  3. services/
  4. .gitignore
  5. OWNERS
  6. PREUPLOAD.cfg
  7. TEST_MAPPING