Merge "Fixed typo on Storage Access Framework." into nyc-dev

 * <li>To get access to standard directories (like the {@link Environment#DIRECTORY_PICTURES}), they

 * can use the {@link #createAccessIntent(String)}. This is the recommend way, since it provides a

 * simpler API and narrows the access to the given directory (and its descendants).

 * <li>To get access to any directory (and its descendants), they can use the Storage Area Framework

 * APIs (such as {@link Intent#ACTION_OPEN_DOCUMENT} and {@link Intent#ACTION_OPEN_DOCUMENT_TREE},

 * although these APIs do not guarantee the user will select this specific volume.

 * <li>To get access to any directory (and its descendants), they can use the Storage Acess

 * Framework APIs (such as {@link Intent#ACTION_OPEN_DOCUMENT} and

 * {@link Intent#ACTION_OPEN_DOCUMENT_TREE}, although these APIs do not guarantee the user will

 * select this specific volume.

 * <li>To get read and write access to the primary storage volume, applications can declare the

 * {@link android.Manifest.permission#READ_EXTERNAL_STORAGE} and

 * {@link android.Manifest.permission#WRITE_EXTERNAL_STORAGE} permissions respectively, with the