CBLT-301: fix illegal value for BLD_TO_RELEASE: 1.0.0-72

http://factory.hq.couchbase.com:8080/view/build/view/mobile_dev/view/android/job/release_android_artifacts_100/1/console

Change-Id: I53671861ec15bdf8788be6656095966b9d446446
Reviewed-on: http://review.couchbase.org/37280
Reviewed-by: Philip Labee <philip@couchbase.com>
Reviewed-by: Traun Leyden <tleyden@couchbase.com>
Tested-by: Traun Leyden <tleyden@couchbase.com>