Fix bug #8447352 Contextual ActionBar vertical divider is incorrectly aligned in RTL mode

- add missing RTL drawables
- known issue: please note that because dalvik is caching drawables, a Locale change will
still show the wrong version of the drawables. You will need to reboot the device to see
the correct versions.

Change-Id: Ic522ba54ef19b0ff573b3a56c46ee76176aff4bb