fix next button not doing anything when upgrading package

If the package existed on the phone, you'd have to physically
swipe to the next tab before being able to install. This restores
functionality to that awesome button.

Change-Id: Idcda37b19052abd17affabb3b772b4376a240281
Signed-off-by: Roman Birg <romanbirg@gmail.com>
Merge pull request #1 from Owain94/cm-10.2

fix next button not doing anything when upgrading package