CBLT-202: Android javadocs now a JAR, build scripts moved to release/ from extra/jenkins

See couchbase-lite-android-liteserv:  8210aa1060b19e5738aca6c6da44408a899b4646

Change-Id: I181adc80165804f5a6fad37b387db6cb897f2e58
Reviewed-on: http://review.couchbase.org/41319
Reviewed-by: Philip Labee <philip@couchbase.com>
Tested-by: Philip Labee <philip@couchbase.com>