docs: Minor permissions phrasing tweak am: 9acd851e

<p>

  In order to improve the security of private files, the private directory of

  apps targeting Android N or higher has restricted access (<code>0700</code>).

  This change prevents leakage of metadata of private files, such as their size

  or existence. This change has multiple side effects:

  This setting prevents leakage of metadata of private files, such as their size

  or existence. This permission change has multiple side effects:

</p>

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