resolve merge conflicts of 14afdcf to nougat-cts-dev am: d640e59d1d am: dbb1abc9b0 am: bdc926e557 am: 36b94fbfb5 am: 6d1881384f
am: e9605bddbb

Change-Id: I3f05526cf9a822de31c0c5a743880f30066d61a8