CBLT-202:  use separate directory for couchbase-lite-android-liteserv so as not to confuse the one jenkins uses to detect code changes

Change-Id: Icb2453993c24362db0db7a93e9c8c1f96c37f17b
Reviewed-on: http://review.couchbase.org/34497
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>