Merge the 2021-03-05 SPL branch from AOSP-Partner

* security-aosp-pi-release:
  [RESTRICT AUTOMERGE] Wait for user to be unlocked before setting up the admin app.

Change-Id: I0777173b3f2918721f863c08f0ed07298e12c87c
tree: aa86595e1f791e508996c83ef1a4fc90ebcdec96
  1. res/
  2. src/
  3. tests/
  4. tools/
  5. Android.mk
  6. AndroidManifest.xml
  7. CleanSpec.mk