am 5891f458: am c21ca5b4: Merge "Include <strings.h> for ffs."

* commit '5891f45815455ca6f7753d4e84f4460f1255a4af':
  Include <strings.h> for ffs.
tree: 68ffaf97710d130b0c3c9afff25c5966e2d670a2
  1. keystore/
  2. keystore-engine/
  3. softkeymaster/