am ca917dc2: Merge "Enable WITH_HOST_DALVIK for "user" builds on Linux." into gingerbread

Merge commit 'ca917dc2b2140b9fc4e331f94907cd27c8b6a91f' into gingerbread-plus-aosp

* commit 'ca917dc2b2140b9fc4e331f94907cd27c8b6a91f':
  Enable WITH_HOST_DALVIK for "user" builds on Linux.