Trebuchet: AppsCustomizePagedView: Update tab from content type
when not using joined apps view

Change-Id: I2dcc8cf61a3b0ac301acffa5369b535a5b59e835
Icon pack theming capability

This commit allows the user to set an icon pack
for the launcher.

Credits:
Danesh (CyanogenMod)

Signed-off-by: iceandfire <arhamjamal@gmail.com>