resolve merge conflicts of 14afdcf to nougat-cts-dev am: d640e59d1d am: dbb1abc9b0 am: bdc926e557 am: 36b94fbfb5 am: 6d1881384f
am: 9e408ddf0f

Change-Id: Id1c1870e6c58804e909a77fdc3bc18f517a614e8