am 8f069486: am 32bc0787: Add use of sentinel in BOOTCLASSPATH entries during preopt.

Merge commit '8f069486a35e9032762063cb7c389ebde76d3529'

* commit '8f069486a35e9032762063cb7c389ebde76d3529':
  Add use of sentinel in BOOTCLASSPATH entries during preopt.