Set ModeListView to LTR layout

Mode list is LTR layout at all times. But without being marked as
such, subitems like SettingsCling had their getLeft View property
adjusted for RTL layout. SettingsCling had a ~800 pixel left
property under RTL vs 0 in LTR, causing it to set itself off
screen.

BUG=22206761

Change-Id: I356e464a1121069def71c350902c032833542c29
1 file changed