resolved conflicts for merge of a2f747d4 to jb-mr2-dev-plus-aosp

Change-Id: If79ba99ef01c8216b1cce5daffc98a989255ac84
tree: 3f37922a45e1b6755e1072a1022d95c36b349bcc
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/