[automerger skipped] Merge "Ensure isTopBucket() gets set when there is just one notification" into qt-dev am: 68f3bb1305 am: 12201c4bf7 -s ours
am: c18c9f3ce3 -s ours
am skip reason: change_id I615b2f7fddca30dae67dbaab0e5d54a824a4c441 with SHA1 2d35980e72 is in history

Change-Id: I2ebb58ff022240d8a78cf96f35442d2a595aa428