[automerger skipped] Merge "Ensure isTopBucket() gets set when there is just one notification" into qt-dev am: 68f3bb1305 -s ours
am: f5933683a7 -s ours
am skip reason: change_id I615b2f7fddca30dae67dbaab0e5d54a824a4c441 with SHA1 2d35980e72 is in history

Change-Id: I1f3818b203591b5644b4def1db594fb029830487