default: Track CM's Gallery2

Doesn't it make sense to track CM's Gallery2,
since we track their Camera2?

Change-Id: I66962f9ecc77beb85d2c74791c6b53971cec3658
Fix Repo Name

Change-Id: I354cb42802dd072b8e160acb6a66153ac99bdf36
default: Track Slim's Gallery2

Change-Id: I21e73687696d55c77d7f854f1144ad0f0541d5bf
Merge remote-tracking branch 'ls/kitkat'