The cursor in the beta feature image jumped out of the image because
its contrast was too high compared to the rest of the image and the
comparable other beta feature images. It is changed in this patchset
to the darker grey that is already used throughout.
Change-Id: Ic8542cc27ac886362556cb0d4d15f659769346df
Split the current icons to rtl and ltr versions.
Rename all the current mentions of beta icons to ltr and rtl,
even those that don't yet exist or are commented out.
Change-Id: I96be20515cc9d84d2d71ac7e65d97d72d96636b0