* changes: Using isUidPrivileged instead of getPrivateFlagsForUid API Add package manager internal api checkUidSignaturesForAllUsers Fix cross user package visibility leakage for PackageManager (6/n)
* changes: Using isUidPrivileged instead of getPrivateFlagsForUid API Add package manager internal api checkUidSignaturesForAllUsers Fix cross user package visibility leakage for PackageManager (6/n)