CBLT-252:  UNDO repo experiments, restore these revisions:

couchbase-lite-android          : 7cd709925df4ac79ee87ba0a6afa5174073fd5cf
couchbase-lite-java-core        : c33a5837eb46d118e244021c746a85bd3d4004c4
couchbase-lite-java-javascript  : 7ffc5616805cb783bec7b5d6bb92636c7fc462c8
couchbase-lite-java-listener    : 7b239ee75d2c92fd72d59cd19b8808f5b7a35508

Change-Id: Iee70e3b642fa18d2d34f35712ca897fdf41fe671