Merge branch 'dev/10/fp2/security-aosp-qt-release' into int/10/fp2

* dev/10/fp2/security-aosp-qt-release:
  Prevent more integer overflows
  Prevent integer overflow in function doProlog
  Prevent XML_GetBuffer signed integer overflow
  Prevent integer overflow in copyString

Change-Id: Ib9400e164988da2fd829a0b6fc6b846d0fde73b4