PaletteInfoActivity: No reloading functionality for when a new color is added and the page is returned to without going through PaletteFragment

[PaigeRiola]

PaletteInfoActivity should refresh from the database to check for any changes to the palette, in case that a new color was added and the palette was accessed without going through PaletteFragment, where updates are normally check for.

[DustinSeltz]

To reproduce: Go to a palette -> color info -> edit color -> change color & save to the palette that you were in -> back out to palette. The new color doesn't show up until you back up further and re-enter your palette.