Revert "DestinationFactory: remove @Singleton annotation"

This was done differently on master. Revert it so that the commit
from master can be backported instead.

This reverts commit dd7f52cdc70c5b08781ea4455e189839f1590349.

Change-Id: Id057d610b84d01ecf4c37b3a9547cf51bfe6e59f
1 file changed
tree: a1b573522323df53b1819759e714c68554d90fe8
  1. .settings/
  2. src/
  3. .gitignore
  4. .mailmap
  5. BUILD
  6. LICENSE