CBLT-80:  now called with paramters:  branch_name  release_number
The branch name is used to sync couchbase-lite-android.
The release_number is used with SYNCGATE_VRSN to fetch payload.

Change-Id: Ie2ae752aec75864b6563c975864aa2767e5e2a38
CBLT-80:  now called with paramter:  branch_name, used to sync couchbase-lite-android

Change-Id: I2016f6c61375d2ea8a912e4efafcf43c2101ea81