am 46fc2341: Merge "Allow \'export WITH_HOST_DALVIK=false\' to override Makefile defaulting" into gingerbread

Merge commit '46fc2341c535ba624fd2dceec9399ce681a80866' into gingerbread-plus-aosp

* commit '46fc2341c535ba624fd2dceec9399ce681a80866':
  Allow 'export WITH_HOST_DALVIK=false' to override Makefile defaulting