framework: packageinstaller :fix logical error in size calculation

fix logical error in available size calculation.

Change-Id: Ic6ce312cf1c146030a20187fcb27b24fbe4c321a
FW: adjust KitKat easter egg to display hardcoded "K"

*Rather than pull the first letter of the build_id for
 the easter egg, just hardcoded it to always display a
 'K' like it should.

Signed-off-by: Whitehawkx <xxwhitehawk@gmail.com>