Handle Recovery For Index Without Snapshots
Handle Recovery For Index Without Snapshots

An index may just have got created before the crash and
no flush/snapshot might have happened. Indexer should set
restartTs correctly and start stream in such case.

Change-Id: I52e88e32bc8c4c1b2c2e90c3db0c303335b470fe

jchris/indexing,jchris/indexing,jchris/indexing,jchris/indexing