TBR java moments - move to v23 android lib 1.7

Recent vom encoding changes were compiled into identityd;
need to catch up.

Also unfortunately had to move to a multidex architecture.
That could be ripped out if the real v23 interface were
simplified to the v23 interface in V23Manager.

Change-Id: Icf0f74cbaa2db63ef1a81ba790b0a8f7ad09a30a
2 files changed