Merge cherrypicks of [15151695, 15151716, 15151891, 15151892, 15151894, 15151896, 15150908, 15151384, 15151699, 15151700, 15151701] into security-aosp-oc-mr1-release

Change-Id: I07a270d0a23fc67e04431324c998be28a25b3658