mGerrit: update cards lib to fork by Androguide

https://github.com/Androguide/cardsui-for-android

Add a card to show when your in a directory

Directory and user cards are swipable to remove
query

DiffViewer is completely broken for our instance
only shows the b/ file of the change for Gerrit-Review
and AOSP

Patch Set 2: fix directory tracking
           : comment out diff color generation
Patch Set 3: fix off by one error in dialog

Change-Id: Ica9e11328e1bbfe60b4fdd431d49745f3a898e0c
Merge "mGerrit: update cards lib to fork by Androguide"