CBLT-164:  set VERSION and REVISON when calling build_android_artifacts.sh

Change-Id: Idbe56f7ad03d1986a9c406107f3f227b7c3a2117
Reviewed-on: http://review.couchbase.org/32669
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>