Android 8.0.0 release 31
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Merge cherrypicks of [2938809, 2937688, 2938829, 2938790, 2938791, 2938792, 2938793, 2938849, 2938850, 2938737, 2938738, 2938739, 2938740, 2938741, 2938204, 2938205, 2938206, 2938207, 2938208, 2938830, 2938831, 2938832, 2938794, 2937966, 2938889, 2938810, 2938833] into oc-r5-release

Change-Id: Icde73ed6f769e695bca888a1ec1104b5999919c5