Fixing issues with batching transactions during bind service
- whenever a service with higher priority is bound to an interface, there
is a sequence of flow installation and deletion which were batched into
the same transaction. This transaction batching is not working as they
are all on the same subtree and hence
moving them to separate transactions.
- Some minor code optimisations and cleanups
Change-Id: I9ec1dddc2d9a48f149adb204914e9593eceebc5b
Signed-off-by: Faseela K <faseela.k@ericsson.com>