Merge tag 'android-security-11.0.0_r54' into int/11/fp3

Android security 11.0.0 release 54

* tag 'android-security-11.0.0_r54':
  Mock context for permission less app's context
  Restrict legacy apps to download files in private app dirs

Change-Id: I7657abb9acbe82ac1332f24a6798d2ce8843ad3c