syncbase: watchable store layer

Beginnings of lightweight "watchable store" layer, enabling
client-side watch impl as well as sync module watching of
store commits.

Change-Id: If4de271f9ea0593ec8fb840f93fa22c6206f10b5
4 files changed
tree: 482f72ede01e38e4b572235790a451b7dc901eac
  1. services/