Slow dialog string has no limit.

    <!-- Title of wizard button offering to cancel move [CHAR LIMIT=32] -->

    <string name="storage_wizard_move_progress_cancel">Cancel move</string>

    <!-- Title of wizard step prompting user to start data migration [CHAR LIMIT=32] -->

    <!-- Title of wizard step prompting user to start data migration [CHAR LIMIT=NONE] -->

    <string name="storage_wizard_slow_body">This <xliff:g id="name" example="SD card">^1</xliff:g> appears to be slow.

\n\nYou can continue, but apps moved to this location may stutter and data transfers may take a long time.

\n\nConsider using a faster <xliff:g id="name" example="SD card">^1</xliff:g> for better performance.