Merge changes I4a8adf3a,I8cc436c4,I99cbe36a,I675121bb,Ia94324df

* changes:
  WifiStack: Use @SystemApi for PackageManager.getApplicationInfoAsUser
  WifiStack: Use existing wifi utility for Mutable
  WifiStack: Remove unused @hide usages
  WifiStack: Copy over runWithScissors method
  WifiStack: Copy over some @hide utility methods
tree: 4029ff9b710926b7b965bdfcc79cbde3be7c19e3
  1. service/
  2. PREUPLOAD.cfg