am 53d0d065: am b21a77fe: Merge "Allow callers holding PACKAGE_USAGE_STATS permission to call ActivityManager#getPackageImportance()" into mnc-dev

* commit '53d0d0655ca33fbf6a1475a6b97f1a956e5c25f5':
  Allow callers holding PACKAGE_USAGE_STATS permission to call ActivityManager#getPackageImportance()