Merge branch 'security-aosp-qt-release' into int/10/fp2

* security-aosp-qt-release:
  DO NOT MERGE KeyChain protect against overlays.
  DO NOT MERGE Hide overlay on KeyChainActivity

Change-Id: I9a52c0522c2259a9a15d2a24c310fc4ea1ffe697
tree: 591553abeddcff2fce3a3ca7a2104e805c64b49b
  1. res/
  2. robotests/
  3. src/
  4. support/
  5. tests/
  6. Android.bp
  7. AndroidManifest.xml
  8. OWNERS