Grant MANAGE_USB permission, so we can get USB serial numbers
This is needed to reliably identify USB mass storage devices.
If someone has several identical thumb drives,
this prevents a backup from being performed when non-backup drives get attached.
diff --git a/permissions_com.stevesoltys.backup.xml b/permissions_com.stevesoltys.backup.xml
index a5ee731..34ed8dc 100644
--- a/permissions_com.stevesoltys.backup.xml
+++ b/permissions_com.stevesoltys.backup.xml
@@ -2,5 +2,6 @@
<permissions>
<privapp-permissions package="com.stevesoltys.backup">
<permission name="android.permission.BACKUP"/>
+ <permission name="android.permission.MANAGE_USB"/>
</privapp-permissions>
</permissions>
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